Volvo RWD 900 Forum

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Cold engine stalls when giving gas. OK when warm 900

posted by  carlosh-r on  Tue Jan 19 00:53 CST 2010
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last visit: Fri Oct 1 08:00 CST 2010
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The car is a 240, but same bosch ingnition system. I am looking for more ideas here in the 900 forum. This is a puzzle.
When I start form cold, the car struggles to start. I have to keep cranking continuously until it starts. Then once the engine starts, it hesitates when pushing on the gas and stalls. It will only go if I push the gas very gently. Later when the car is warmed up the hesitation goes away. Any ideas?








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Cold engine stalls when giving gas. OK when warm 900

posted by  AzHusker on  Tue Jan 19 13:03 CST 2010
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last visit: Mon Feb 1 00:24 CST 2010
[RELATED]

Vacuum leak - causes lean condition the system can't compensate for - or air leak in intake hose??

Coolant temp sensor? Do you have a 'cold start sensor?'








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Cold engine stalls when giving gas. OK when warm 900

posted by  redbone on  Tue Feb 2 03:04 CST 2010
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last visit: Mon Feb 8 06:17 CST 2010
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Have you tried reading the OBD codes. Had a recent issue and found that I had a dirty contact on my coolant sensor (not gauge sending unit). Best of luck.







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