 Engine stutter on warm startup, still starts on the first turn |
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 Aug 14, 2009 - 11:11 AM
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Enthusiast  Joined Apr 27, '09 From West Coast Canada Currently Offline Reputation: 0 (0%)  |
lately i've noticed a hesitation stutter when i start my car if its already warm, almost like a backfire. but it starts cold just fine
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Aug 14, 2009 - 11:28 AM
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 Enthusiast Joined Nov 20, '04 From Carlisle, PA Currently Offline Reputation: 27 (100%) |
Perhaps your coolant temp sensor is going bad? If it's reading too low, it will probably be adding more fuel than it should be.
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Aug 14, 2009 - 3:09 PM
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Enthusiast Joined Apr 27, '09 From West Coast Canada Currently Offline Reputation: 0 (0%) |
QUOTE (AMCMoe @ Aug 14, 2009 - 12:28 PM)  Perhaps your coolant temp sensor is going bad? If it's reading too low, it will probably be adding more fuel than it should be. explain? by low u mean low coolant or low temp |
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Aug 14, 2009 - 3:27 PM
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Enthusiast Joined Nov 20, '04 From Carlisle, PA Currently Offline Reputation: 27 (100%) |
Low temp. If it's reading too low, the ECU would add more fuel thinking the engine is cold, causing it to run rich when it shouldn't be.
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Aug 14, 2009 - 8:22 PM
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Enthusiast Joined Mar 11, '06 From Way South Chicago Currently Offline Reputation: 0 (0%) |
cold start injector?
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Aug 15, 2009 - 8:30 PM
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Enthusiast Joined Apr 27, '09 From West Coast Canada Currently Offline Reputation: 0 (0%) |
QUOTE (Bitter @ Aug 14, 2009 - 8:22 PM) cold start injector? hmm? |
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Aug 15, 2009 - 10:32 PM
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Enthusiast Joined Mar 11, '06 From Way South Chicago Currently Offline Reputation: 0 (0%) |
i thought that the S series engines have a cold start injector?
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Aug 16, 2009 - 6:38 PM
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 Enthusiast Joined Jan 25, '06 From MN Currently Offline Reputation: 19 (100%) |
We don't only the 90-93? 5sfe has it.
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