Starting Problems When Hot

[Rosy407]

Hello

I'm looking for some advice on my Mercedes E220 W211 CDI (2005) Estate regarding the starting. Over the past 2 months the starting has taken longer to crank over before the engine will fire up but this is only when the engine is warm/hot. Starting from cold is fine.

I have checked the injector pipes and it’s as dry as a bone I have also check all the pipe work for leaks

I have had the car 8 years and its covered 350,000 miles without any issue before.

Just wondered if anyone has any ideas of a possible fault.

 

[whitenemesis]

Sounds like to CPS is on the way out, classic symptoms.

 

[WG M-B]

Worth doing a pressure leak of test on the injectors

 

[gramey]

sounds like to cps is on the way out, classic symptoms.

+1

 

[Major774]

sounds like to cps is on the way out, classic symptoms.

+2

 

[markjay]

For the uninitiated: CPS = Cam Position Sensor.

 

[brucemillar]

For the uninitiated: CPS = Cam Position Sensor.

Or... Crankshaft Position Sensor :ˆ)

You may have both. ON my C240 (which had both) Mercedes recommend replacing both together (well they would, wouldn't they)

 

[Rosy407]

Many Thanks, I will try both and get back to you with the result.