The C15 Cat Oil Pressure Sensor is a vital component in this process, providing critical data to the engine control module to ensure proper lubrication and …Mar 7, 2011 · Measure the voltage between terminal A (Pressure Sensor +5V) and terminal B (Pressure Sensor Common) on all of the pressure sensors. B. While the voltage is monitored, perform a 45 N (10 lb) pull test on the common wires for the 5 volt supply. C. P2:3 (Pressure Sensor Common) P2:42 (Pressure Sensor Common (Actuator)) Expected Result: The average oil pressure sensor replacement cost is between $50 and $250, depending on the car model and labor costs. An oil pressure sensor costs $30 to $100, and the labor costs $20 to $150. The cost for an oil pressure sensor will depend entirely on your vehicle’s specific product number for the part, but you can expect to pay …21 11-07-2015, 02:22 AM. (11-06-2015, 10:31 AM)Expeditor Wrote: Does anyone know the part # for the IVA oil pressure sensor for a 2005 C15 BXS13323? also the solenoid that sits next to it. Thanks. the sensor parts number is 284-2728 retailing for $134.04. adapter harness parts is 249-5293 retailing for $28.44.Caterpillar Machin Operatoroil type are not Caterpillar factory defects and therefore are not covered by Caterpillar's warranty. Refer to the applicable Operation and Maintenance Manual for …How to remove and replace the Valve Actuator Pressure Sensor (code 95) on a Caterpillar C15Thanks Received: 251 (58 Posts) Posts: 214 Threads: 38. Joined: Aug 2016. 1 07-24-2018, 10:55 PM. hello, im working on a cat c15 SDP16197. the oil pressure gauge drops to 0 and the red light in the gauge lights up and engine shutdown light illuminates breifly and goes away and the truck is loosing power. I have replaced the sensor which comes ...Does anybody know what is the normal oil pressure for C15 on idle when the engine is hot or cold? I`m getting around 20-30 psi on idle with hot engine since the manual says it needs to be between 40 and 80 psi. At 1200 rpm oil pressure is around 60 psi. Thanks!An oil pressure sensor (or oil pressure sender) is a pressure transducer that measures oil pressure. ... location_on Address 1301 Ave T, Grand Prairie, TX, 75050; local_phone Phone number 1-866-529-0412; ... Catalytic Converter Theft; Electric Vehicle Myths; Team CarParts.com's First Cars; About toggle close about. Our Team; Editorial …The oil pressure sensor will usually be located near the back and top of the engine compartment, and bolted in to the engine block, connected by an electrical clip to the car’s computer/electrical system. However, in some vehicles, the oil pressure sensor may be behind the intake manifold and may not be readily visible.CAT C15 OIL PRESSURE SENSOR MANIFOLD 1666693. Location 638B. Qty 1. $125 USD. Plus Shipping & Handling. Manufacturer CAT. Part Number 166-6693. Application Oil pressure sensor manifold. Date Added 27/05/2020.2008 cat c15 sdp05927. intake valve oil pressure engine light one. got a mechanic to scan it and he said the code was for iva oil pressure solenoid. (2 wire) ground tested good, power did not. he said there was a spot at the beginning of the harness which he could use to test the wire. he said it tested bad so I must have a break in my wire.Dave1837 Road Train Member. I drove a 2007 379 with a C15 ACERT, it had a 625 until it scattered around 898k. A brand new 550 was installed about 13k ago. Today when I left my house I noticed my oil pressure was around 40 psi after a 20 minute warm up, as opposed to the normal 60-65. As the oil warmed up it dropped to about 25.Thanks Received: 251 (58 Posts) Posts: 214 Threads: 38. Joined: Aug 2016. 1 07-24-2018, 10:55 PM. hello, im working on a cat c15 SDP16197. the oil pressure gauge drops to 0 and the red light in the gauge lights up and engine shutdown light illuminates breifly and goes away and the truck is loosing power. I have replaced the sensor which …Reference sensor : Fuel Pressure Sensor – After Fuel Filter: 460-13: 5580-13: Fuel Pressure Sensor – After Fuel Filter : Out of Calibration: During key on, the signal voltage from the fuel outlet pressure sensor (after secondary fuel filter) indicated a pressure other than 0 kPa (0 psi) . This sensor is used as a reference sensor: 1785-13: ...A Cat C15 industrial diesel engine produces 475 to 595 brake horsepower and is rated at 1,800 to 2,100 rpm. The engine, which is powered by an inline six, four-stroke-cycle diesel configuration with a displacement capacity of 16.2 liters, i...But minimum psi above 1800 is 40 psi. It sounds like your oil pressure is to low. This is a common problem on the C13 engines. There are two things I have seen cause low oil pressure. The first and most common is a faulty relief valve in the oil filter base. I see this a lot. Basically the housing and valve stick open and lower oil pressure.I have a 2002 Peterbilt 379 with a C15. Its a 6NZ and its rated at 475hp. Im wanting to get a little more power out of it cause it hauls 80000lb daily. It has the 10sp rated at 1850 i think. Im wanting to get the platinum power harness cause after all ive read on here about cat dealers and the low nox files i dont want that to happen to mine.Buy Oil Pressure Sensor Switch 274-6717 for Caterpillar CAT Engine C11 C13 C15 C18 C9 Power Module 3516C PM3516: Transmissions & Parts ... Select delivery location. In stock Usually ships within 4 to 5 days. Qty: Qty: 1 $ $51.59 51. 59 () Includes selected options. ...Jan 31, 2020 · Caterpillar Machin Operator Oct 20, 2020 · C. Install a mechanical gauge to the engine in order to read engine oil pressure. Refer to Testing and Adjusting, “Engine Oil Pressure – Test”. D. Turn the keyswitch OFF. Oil pressure ( Refer to Table 3) Result: The engine oil pressure is within specifications.Proceed to Test Step 3. Result: The engine oil pressure is low. Test an oil pressure unit using a multimeter that is set to resistance with the engine off. Test the unit again with the engine running. The process takes only a few minutes. Press the button to disengage the lock. Pull the connector to rem...You can support the Adept Ape Channel for free! Just click the Amazon Affiliate Link and any purchase helps: https://www.amazon.com/gp/product/B00IAC0HNK/r...The throttle position sensor (TPS) on most vehicles is located in the engine compartment. It sends input to the electronic engine control so that ignition and fuel injection timing can be adjusted for proper engine operation. When a throttl...Idle is usually low. 30's.when your parked. Suggestion is bump your cruise control up till oil pressure is 40 psi at idle. Sometimes that falls at or below 800rpm. 40 psi is recommended for the twin turbos during idle. Keeps the oil moving. Questions I have are, does your breather tube smoke a lot soon after oil change? Or. Closer to oil change ...pressure sensor. Remove the engine oil pressure sensor. Test Connect the electronic service tool to the datalink. Connect the engine harness to the lubricating oil pressure sensor. Leave the sensor suspended from the harness. Monitor the lubricating oil pressure with the electronic service tool. The lubricating oil pressure sensor must be ...Vocational, Technical or Tra... 10,345 satisfied customers. 2003 c15: degrees..180. the fan cuts..switch in the cab..problem might. on a 2003 c15 the temperature gauge shows 225 degrees and the fan doesn't cut in. the oil temperature gauge shows around 180. the fan cuts in … read more.Turbocharger Boost Sensor For Caterpillar CAT C15 274-6718,248-2165. Turbocharger Outlet Pressure Sensor Cross Reference Information 2482165, 2746718, 904-7022. Write a review. Your Name. Your Review. ... KIT Oil Cooler Cummins ISX Series application 4955831,4955830,4965487. $588.61Have 6nz with 450k on it and 10k hours, gauge says 70 psi cold and good n hot idle 700rpm 27-30psi, hot it runs 58-60psi at 1500 rpm. This all seems good to me but I'm getting an occasional check engine light for low oil pressure and had one that said extremely low oil pressure a couple weeks ago.284-2728: 4 MPaG Pressure Range High Pressure Sensor. 214-7567: SEAL-O-RING-STOR (SAE 1/2-20) 5P-7814: Seal. 214-7568: STOR O RING SEAL (SAE 9/16-18) Description: Cat high pressure sensors use strain gage technology that generates an output signal (Analog, PWM or Variable Frequency) that is proportional to the applied pressure. The difference between the pressure measured by this sensor (oil pressure) and the atmospheric pressure is the Oil Pressure as displayed on the service tools and communicated over the data link. The ECM uses this sensor input for engine monitoring. The Oil Pressure Sensor can measure pressure from 0 kPa (0 psi) to 1135 kPa (165 psi). To fix an oil sensor leak, locate the oil pressure sensor, remove the leaking sensor, and replace it with a new sensor. Replacement of the oil pressure sensor is the only way to fix a leak.The oil pressure sensor on a Cummins engine is located behind the ECM harness on the driver’s side. To get to it, remove the fuel filter housing and loosen the Allen bolt from the ECM harness.Nov 6, 2015 · 21 11-07-2015, 02:22 AM. (11-06-2015, 10:31 AM)Expeditor Wrote: Does anyone know the part # for the IVA oil pressure sensor for a 2005 C15 BXS13323? also the solenoid that sits next to it. Thanks. the sensor parts number is 284-2728 retailing for $134.04. adapter harness parts is 249-5293 retailing for $28.44. Hey guys, question about the Valve Group Warm-Up Solenoid controler for the IVA on my 2005 C15 MXS. I had a code 95 and replaced the oil sensor on the top of the motor next to the front valve cover.Cat low temperature sensors use thermocouples and thermistors to sense temperature. ... • Low temperature sensors are used on machines and engines in air systems, fuel systems, engine oil systems, cooling systems, hydraulic systems etc. ... 3126B 3512C 3512PETROL 3516C C11 C13 C15 C-15 C18 C27 C32 C7 C9 CX31-C11I CX31-C9I CX31-P600 CX35 …Weight: 0.3 lbs. Package Dimensions: W1.0000” x H1.0000” x L1.0000”. Click Here for Additional Shipping & Returns Information. Purchase a 1946722 Pressure Sensor for Caterpillar C15 at Highway and Heavy Parts. 2- Year Warranty, Delivery in 2-Days or Less to most areas.Knowing how to do an electrical repair like replacing a pressure switch Square D can save you time, money and hassle. Follow our guide for how to check an oil pressure switch. A Square D pressure switch is the common way to control pressure...274-6718: Pressure Sensor. 214-7566: SEAL-O-RING-STOR (SAE 7/16-20) 256-6453: 2 Pin Passive Temperature sensor. 274-6717: SENSOR GP-PR. Description: Cat low pressure sensors use capacitance or strain gage based technology that generates an output signal (Analog or PWM) that is proportional to the applied pressure.CAT C15, 3 PIN OIL PRESSURE SENSOR, P/N 274-6719: ENGINE PRESSURE SENSOR, OEM P/N 274-6718: Turbo Outlet Prs Snr: Type: Price: $29.31: $37.86: $40.00: $116.00: $174.07: Frequently Bought Together. ... The Des Moines Location has over 15 acres of salvage unit parts storage, a used truck sales office, and has access to over 250 used …Where to Find the Oil Pressure Sensor. Alright, so the oil pressure sensor on a C15 Cat engine is located on the back of the engine block, near the oil filter base. It’s a pretty small thing, so it can be a bit tricky to spot. See also How to Replace a Water Pump like a Boss: A Step-by-Step Guide.Engine Oil Pressure Sensor, fits Caterpillar C15 Engine. Replacement of the Oil Pressure Sensor will help protect your vehicle from being driven at a low oil pressure. Plus, the Oil Pressure Sensor restores the vehicle to proper operation. Direct replacement for a proper fit every time Sensor may be a requirement for state inspectionMessages. 641. Location. AZ. Occupation. Owner- civil and heavy repair/fab company. Aug 3, 2021. #18. C15's can be picky if they have a wonky (technical term) timing sensor, the no start even with good pressure till you give it a lil shot of start in a can is a common symptom of one or the other not working right.Description: Cat oil pressure switches are typically used as an actuator which directly activates the oil warning light in driver dashboard when the oil pressure in the engine …Its possible there could have been a faulty sensor. Since the manual gauge reads the same as the sensor, I'm sure the pressure is low. There are three things I would suspect. First is a weak engine oil pump. Second is the pressure relief valve in the oil filter base is open. When this happens, the oil pressure will drop.Caterpillar C15 Acert Oil Pump Problems, Troubleshooting and ReplacementShop CAT C-15 Acert Oil Pumps at HHP!CATERPILLAR C15/C18 ACERT AIR COMPRESSOR: Click ...Wheel Loader: All Wheel Skidder: All Wheel Tractor-Scraper: All Introduction The following diagnostic code information is used with Caterpillar ® machines that are equipped with electronic controls over a standard Cat ® data link (CDL). Module (MID), Component (CID), and Failure Mode (FMI), are information identifiers that help2006 peterbilt 385 daycab with 06 cat c13 accert 430hp. ... Part # 194-6725 Location l/s block behind engine mounted fuel filter. ... If your oil pressure sensor is ...The oil pressure sensor is commonly located near the oil filter housing or on the engine block. ... Understanding the sensor locations in Cat 3406E engines is crucial for ensuring optimal engine performance, reliability, and longevity. These sensors provide vital data to the ECM, enabling precise adjustments and efficient operation. ...Was just curious what the oil temp and pressure should be on my MXS Acert. My oil temp seems to run in the 200-220 range. This is with coolant temp at 190-200. Seems too hot to me. Also concerned with my oil pressure. Only around 15psi at idle when the oil is at 200 degrees at 600 RPMs.. Runs in the 40-50 range while driving.The normal reading is around 31 PSI. The normal pressure range for oil in the C7 is 0 to 100 psi. Higher or lower than 32 indicates you have a slight problem depending on where the needle falls in that range. You should have some leeway for the normal psi operating level and read your manual to see what that leeway is.Jan 18, 2020 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... But minimum psi above 1800 is 40 psi. It sounds like your oil pressure is to low. This is a common problem on the C13 engines. There are two things I have seen cause low oil pressure. The first and most common is a faulty relief valve in the oil filter base. I see this a lot. Basically the housing and valve stick open and lower oil pressure.Messages. 641. Location. AZ. Occupation. Owner- civil and heavy repair/fab company. Aug 3, 2021. #18. C15's can be picky if they have a wonky (technical term) timing sensor, the no start even with good pressure till you give it a lil shot of start in a can is a common symptom of one or the other not working right.I drive a 06 Freightliner Argosy 7CZ 600hp C16. Its done 1.8 mil km without any major breakdowns. Lately it lacks power and feuleco also went down from 2.18km/l to under 1.9km/l. Boost dropped by 45 kPa with no leaks found on the usual suspects. I removed the atmospheric sensor to check the oring for possible pressure leak and …About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...21 Feb 2020 ... You know its gonna be a cold one when the parking lot is lit ... Jan 29, 2019 · 144 views. See more. Related Pages.Camshaft position sensor (CMP) (located on side at top of timing cover) Oil pressure sensor (driver’s side of engine block) Fuel Temp Sensor (on top of fuel filter near primer pump) Crankshaft position sensor (CKP) (located at bottom side of timing cover) Engine coolant temperature sensor (ECT) (located next to thermostat housing) Nich1019. Diesel Technician. Vocational, Technical or Tra... 162 satisfied customers. I have cat c15 whit intake valve actuation system oil. i have cat c15 whit intake valve actuation system oil pressure voltage high 95 engine serial is mxs58469 … read more.oil type are not Caterpillar factory defects and therefore are not covered by Caterpillar's warranty. Refer to the applicable Operation and Maintenance Manual for …Feb 14, 2012 · Hi, Does anybody know what is the normal oil pressure for C15 on idle when the engine is hot or cold? I`m getting around 20-30 psi on idle with hot engine since the manual says it needs to be between 40 and 80 psi. I drive a 06 Freightliner Argosy 7CZ 600hp C16. Its done 1.8 mil km without any major breakdowns. Lately it lacks power and feuleco also went down from 2.18km/l to under 1.9km/l. Boost dropped by 45 kPa with no leaks found on the usual suspects. I removed the atmospheric sensor to check the oring for possible pressure leak and …Posted 4/6/2021 01:42 (#8935863 - in reply to #8935768) Subject: RE: C15 CGI Absolute pressure code. Between Omaha and Des Moines, 7 miles South of I80. I wonder, if your Atmospheric Pressure sensor, is acting up. (can also be known as Crankcase Pressure sensor, too) = CAT installs them to sense crankcase pressure, so …SAFETY.CAT.COM Operation and Maintenance Manual C15 and C18 Engines BDN 1-Up (C15 Engine) LDN 1-Up (C18 Engine) SEBU8598-09 December 2014IVA OIL PRESSURE SENSOR +5V IVA OIL SENSOR COMMON Intake Valve Actuation Pressure Sensor (223-0099) INTAKE VALVE ACTUATION OIL PRESSURE ... CAT C15 On-Highway Engine . Page 2 of 9 G856-A8 18-WH G857-A9 18-YE G833-A46 18-PK F421-A13 18-YE G833-A45 18-PK C967-A15 18-BU G833-A44 18-PK 995-A12 18-BU 1 2oil type are not Caterpillar factory defects and therefore are not covered by Caterpillar's warranty. Refer to the applicable Operation and Maintenance Manual for standard oil drain periods and to the Maintenance Section, “Lubricant Specifications” of this publication for engine oil type and viscosity grade recommendations.Mar 26, 2018 · 0. 600kpa is 87psi. My Paccar runs in the low 80s at 1500rpm going down the road. The coolant sensor and low oil pressure are related. I had it happen to me one time. The shop said I didn't have low oil pressure. The low coolant sensor fault was tide into the low oil pressure sensor. It made the computer think the engine had low oil pressure. Idle is usually low. 30's.when your parked. Suggestion is bump your cruise control up till oil pressure is 40 psi at idle. Sometimes that falls at or below 800rpm. 40 psi is recommended for the twin turbos during idle. Keeps the oil moving. Questions I have are, does your breather tube smoke a lot soon after oil change? Or. Closer to oil change ...Oct 16, 2020 · 6. Engine Oil Pressure Sensor. A. Remove the oil pressure sensor. B. Install a pipe “T” in the pressure sensor port. C. Install a manual gauge on one side of the pipe “T”. Install the oil pressure sensor on the other side of the pipe “T”. D. Start the engine and compare the two readings. The pressure reading must be within ±13.8 ... Weight: 0.3 lbs. Package Dimensions: W1.0000” x H1.0000” x L1.0000”. Click Here for Additional Shipping & Returns Information. Buy a 2842728 Pressure Sensor for Caterpillar C15 at Highway and Heavy Parts. 2-Year Parts and Labor Warranty, Delivery in 2-Days or Less to most areas.JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals. I have a C-15 Cat ACCERT engine, I'm getting a CGI Mass Air Flow code, The turbo boost pressure is fluctuating up and - Answered by a verified Technician.May 22, 2011. #3. I have seen C15s plug the oil filter with soot. This is usually caused by combustion gasses getting by the piston rings or the valve guides. Another cause can be an overfueling situation, again putting excess amounts of soot in the oil. A blowby test would determine if rings or guides were the issue.21 11-07-2015, 02:22 AM. (11-06-2015, 10:31 AM)Expeditor Wrote: Does anyone know the part # for the IVA oil pressure sensor for a 2005 C15 BXS13323? also the solenoid that sits next to it. Thanks. the sensor parts number is 284-2728 retailing for $134.04. adapter harness parts is 249-5293 retailing for $28.44.Component location on a typical C15 engine (1) Control valve (2) Pressure sensor (3) Check valve ... E. Remove the engine oil pressure sensor. Install a tee in place of the sensor. Install the sensor and a ... G. Monitor the status for "Engine Oil Pressure" on Cat ET while the engine is operated throughout the rpm range. Also check the value on ...The oil pressure went up just like it always does. When everything got warmed up, the oil pressure would only go to 36 psi, down from it's normal 60#, at an idle. If I it to 1000 rpm, the oil pressure goes to about 65#.Cat® Low Pressure Sensor: Cat. 161-9932: Pressure Sensor ... engine oil systems, etc. • Cat pressure sensors are application specific sensors. Consult your owner's manual or contact your local Cat Dealer for more information. ... 3126B 3176B 3176C 3196 3406E 3408B 3408C 3408E 3412 3412E 3456 3508B 3508C 3512B 3512C 3516B 3516C C-10 C-12 C ...Test an oil pressure unit using a multimeter that is set to resistance with the engine off. Test the unit again with the engine running. The process takes only a few minutes. Press the button to disengage the lock. Pull the connector to rem...C15 ACERT Engine showing ECT location. Fuel injectors (under valve cover center of cylinder head) Camshaft position sensor (CMP) (located on side at top of timing …Barometric Pressure : Voltage Above Normal Atmospheric Pressure Sensor : Voltage Above Normal 108-4 3528-4 Barometric Pressure : Voltage Below Normal Atmospheric Pressure Sensor : Voltage Below Normal CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes N/A N/A N/A N/A N/A N/A N/A 80-1275 Page 1 of 14 Rev: 03/2019 Signature and ISX CM870 Engine Oil Pressure Sensor Section 19 — Electronic Engine controls Page 19-57 Engine Oil Pressure Sensor (019-066) Remove Disconnect the engine wiring harness from the engine oil pressure sensor. Remove the engine oil pressure sensor. Test Connect the electronic service tool to the datalink.Failing to recognize the symptoms of a bad oil pressure sensor can lead to low oil levels, which can be very problematic for your engine. These symptoms include: 1. The Oil Pressure Light is on. The oil pressure gauge inside your car will give you a good indication as to the condition of the engine’s oil levels.CID 0100 FMI 03 Engine Oil Pressure open/short to +batt SMCS Code: 1924-038 Conditions Which Generate This Code: The signal voltage from the engine oil pressure sensor is above 4.95 VDC for at ...The oil pressure sensor on a Cummins engine is located behind the ECM harness on the driver’s side. To get to it, remove the fuel filter housing and loosen the Allen bolt from the ECM harness.2. Check Fuel Pressure Sensor “A”A. Record the unfiltered fuel pressure from Cat ET. Record the value in Table 6. B. Remove fuel pressure sensor “A” (2) . C. Install a 5P-1318 Adapter into the port of the pressure sensor “A” (2) . D. Install the 123-0783 Fluid Sampling Valve Gp onto the 5P-1318 Adapter .As the above poster stated this sensor is on the drivers side of the engine on a 6NZ C-15. The Atmospheric Pressure Sensor and Oil Pressure Sensor are side by side of each other. The oil pressure sensor will be the one closest to the firewall of the truck. It is number 4 listed in this pictureDescription. Engine Oil Pressure Sensor, fits Caterpillar C15 Engine. Replacement of the Oil Pressure Sensor will help protect your vehicle from being driven at a low oil pressure. Plus, the Oil Pressure Sensor restores the vehicle to proper operation. Direct replacement for a proper fit every time. 6. Engine Oil Pressure Sensor. A. Remove the oil pressure sensor. B. Install a pipe “T” in the pressure sensor port. C. Install a manual gauge on one side of the pipe “T”. Install the oil pressure sensor on the other side of the pipe “T”. D. Start the engine and compare the two readings. The pressure reading must be within ±13.8 ...Engine Oil Pressure Sensor 18-OR 18-YL 18-GN 997 OR 993 BR 994 GY, prevents oil from flowing from the rail back to the main oil gallery. Pressure Sensor (2) - A pressure, Sep 5, 2016 · Where can I find the location of my sensors on a CAT, The sensor for the high pressure oil is on the passengers side valve cover right next to the glo, 209-0058: SWITCH-PRESS. Caterpillar offers sensors for i, BrianB. My '97 Coach has a 3126 CAT and Allison 3060. After a long drive at freeway speeds when I slow down to , The heads were replaced with Cat remans, rod and ma, Anyone know where this sensor is located on the cat C, About Press Copyright Contact us Creators Advertise Developers Term, problem with the circuit for the engine oil pressu, Cat C15 ACERT engines are the ideal solution for your demanding oper, About Press Copyright Contact us Creators Advertise Devel, May 21, 2010 · All my oil samples (for the last 240,000) have s, (12-13-2022, 06:52 PM) catfan Wrote: Got a custome, Sep 24, 2010 · (6) Air inlet temperature sensor (7) Atmospheric pre, I drive a 06 Freightliner Argosy 7CZ 600hp C16. Its done 1.8 m, The oil pressure sensor on a Cummins engine is located be, Apr 1, 2016 · Cat Man. Cat Engine Expert. Vocational, Technical o.