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I own a 1994 chevy corsica. After the car sits overnight or ...
Sent to Car Experts July 29 06:15 PM

I own a 1994 chevy corsica. After the car sits overnight or after a period of 2 hours it is hard to start. the engine cranks for a while before starting. After the cars starts it will than start immediately on every attempt. The fuel pump has been replaced and I can here it energize. any help?

 

Optional Information:
1994 Chevrolet corsica

Already Tried:
installed new fuel pump and fuel pump relay

Customer (name blocked for privacy)
Status:  Closed   Value: $9
Answer
July 29 6:21 PM (6 minutes and 33 seconds later)
         
ACCEPTEDCheck Mark
Hi

You could very well have a problem with the fuel pressure regulator allowing the pressure to deplete over a short space of time.

You really need a fuel pressure gauge to check this but they are readily available.

Does the car run okay immediately after it has started?

Cheers

Geordie

Please ensure that you are totally happy with any advice before clicking ACCEPT. Advice is decided upon from what you tell me, and you must be totally sure before accepting
PictureGeordie -- Mobile Mechanic & Motor Trader -- 98% Positive Feedback on 215 Car Accepts
22 years of mechanical experience, and I am the mechanic in my own automotive partnership
Reply
July 29 6:44 PM (22 minutes and 38 seconds later)
         
Reply to Geordie's Post: Can i pinch the return line to verify before proceeding to changing it?
Customer (name blocked for privacy)
Answer
July 29 6:49 PM (4 minutes and 56 seconds later)
         
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PictureGeordie -- Mobile Mechanic & Motor Trader -- 98% Positive Feedback on 215 Car Accepts
22 years of mechanical experience, and I am the mechanic in my own automotive partnership
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