Will not start when engine is hot

2002 MERCEDES BENZ V230

130,000 MILES • 2.2L • 2WD • AUTOMATIC

RUSSELLCOOKE

MEMBER
1 POST

Starts fine when cold. Runs very well but when you stop and turn the engine off it will not start until the engine cools down again usually after 60 minutes. The engine turns over okay but will not fire until it has cooled down.

Feb 6, 2021 at 5:02 AM

SEVAG P

✓ASE Certified Mechanic
405 POSTS

hello.

Is it c230?? model year 2002,this sounds like fuel pump defected or crankshaft sensor, for more diagnosis read the fault codes then send to us to help you for proper diagnosis.

check our link below how to read fault codes.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Check our link how to test fuel pump, and the crank sensor.

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

https://www.2carpros.com/articles/symptoms-of-a-bad-crankshaft-sensor

https://www.2carpros.com/articles/crankshaft-angle-sensor-replacement

Check the diagrams below specified fuel pressure, fuel pump location, and replacement procedure.

read the fault codes and lets make sure what's happening when engine warm.

thank you..

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Feb 6, 2021 at 8:40 AM