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Chris (aka-Moose)
Chris (aka-Moose), Technician
Category: Car
Satisfied Customers: 1044
Experience:  16 years of experience
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Customer Question

I have a 1988 Mercedes 300E, Approx 124K miles. Car wouldn’t start. Just cranks but won’t turn over. Wait time is 40-60 min - then starts ok. Some days...no problem starting, but recently having difficulty starting. Replace 2 fuel pumps and fuel filter yesterday...same thing...will not start. Just crank...crank. Need help. Thanks. Mike
Submitted: 11 years ago.
Category: Car
Customer: replied 11 years ago.
Reply to enginboy's Post: I followed the link and this is for a Ford or Caprice car. Mt problem is with my 1988 300E Mercedes. Thank you for your time but your answer did not help my problem,
Expert:  Marc replied 11 years ago.

  They are working on the mix up In the mean time maybe we can do this the easy way. And I can answer your Question.


   First I need to clear up some things. What do you mean by wait time? Do you mean after the car has been runnig you have to wait that long be for it will start. What engine dose your car have  is it diesel or gasoline.


  Please post back ASAP

 

Customer: replied 11 years ago.
Reply to enginboy's Post: It's a gas 6 cylinder car. Wait time is when I start the car and it runs w/ no problem. When engine is turned off and I restart the car ...cranks but doesn't turn over. Wait time is from 1 hr to 10 hrs. No noise is being heard from the electronic fuel pump. Thought it was the fuel pump relay, replaced relay, to no avail. So far, I've replaced two fuel pumps, gas filter, and relay. I'm still at square one.

Thanks for the help, it really means alot.

Mike
Expert:  jon_050 replied 11 years ago.
 It's a bit unclear to me if this problem only happens once the engine is warmed up or if it happens when the engine is cold also?
Customer: replied 11 years ago.
This happens both. Scenario 1. After driving all day. Stop for gas, when ready to leave car will not stop. Wait time 3 hrs...then car started.
Scenario 2. After non-usage for 2 days, car will not start. Wait time - same as # XXXXX Scenario 3 - car starts w/o any problem. Then back to scenario 1.
Expert:  Marc replied 11 years ago.
 

You need to get a test light and check if the fuel pump relay is getting power when this hapens Then we can norrow down witch way to turn next.

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