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93 cav


Sent to Car Experts May 24, 2005 7:49 a.m.
I have a 1993 chevy caviler 2.2L car starts fine when cold as soon as it goes into closed loop it shuts down. will not start again till cooled off no codes on scanner. replaced 02 sensor,coolant temp sensor,fuel filter fuel pressure reg and air charge temp sensor. BAFFLED
Customer (name blocked for privacy)
Status: Closed   Value: $5   
Info Request
May 24, 2005 4:54 p.m. (9 hours and 4 minutes later) 		REPLIED to Info Request Check Mark
 At the time it won't start, check for spark, injecter pulse and fuel pressure to see which one your losing.
PictureTech501  -- Auto Service Technician -- 96% Positive Feedback on 740 Car Accepts
38 years exp, ASE Mastertech with L1 Advanced Engine performance
Reply to Tech501
Sent May 25, 2005 8:29 a.m. (15 hours and 35 minutes later)
Fuel pressure checked at 58 to 60 PSI.
Customer (name blocked for privacy)
Info Request
May 25, 2005 5:45 p.m. (9 hours and 16 minutes later) 		REPLIED to Info Request Check Mark

 How about spark and injecter pulse? This fuel pressure was tested when the vehicle wouldn't start, right?  

That fuel pressure reading is actually too high. It should be 38-43 PSI engine off key on. With the engine running at idle, it should read 25-30 PSI



Edited by Tech501 on May 25 2005 at 5:48pm
PictureTech501  -- Auto Service Technician -- 96% Positive Feedback on 740 Car Accepts
38 years exp, ASE Mastertech with L1 Advanced Engine performance
Reply to Tech501
Sent May 25, 2005 9:11 p.m. (3 hours and 25 minutes later)
I replaced ICM & BOTH COILS. Seems to be fine,will update if it keeps quiting.
Customer (name blocked for privacy)

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