maybe the fuel pump? - Team Camaro Tech
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post #1 of 6 (permalink) Old Apr 6th, 04, 11:07 AM Thread Starter
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i have a 89 2.8 rs. when i start the car in the mornings, i have to tap the accelerator for about 30 sec. the reason is that the car will seemingly cut off or will cut of in cold days or from sitting for some hours. the rpms will drop down to 0 if i dont tap the accelarator. when it does warm up it will not cut off. you can also hear the muffuler sound like a putt putt sound. when its in park it skips on the idle. the IAC,Fuel inject and presure regulator are new. could it be a bad fuel pump? please help me.
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post #2 of 6 (permalink) Old Apr 6th, 04, 04:47 PM
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Service engine soon light comes on?
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post #3 of 6 (permalink) Old Apr 7th, 04, 06:41 AM Thread Starter
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Quote:
Originally posted by 69:
Service engine soon light comes on?
yes it does. when i checked it the code comes up as 44. the code reads that the car has a "lean exuast". when i accelerate, the car skips a little.
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post #4 of 6 (permalink) Old Apr 8th, 04, 04:15 PM
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O2 sensor?
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post #5 of 6 (permalink) Old Apr 9th, 04, 08:09 AM Thread Starter
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Quote:
Originally posted by SSupermanZ:
O2 sensor?
do u think? when i first start fixing on the car a year ago, i replaced the o2 sensor. how do i test it?
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post #6 of 6 (permalink) Old Apr 9th, 04, 12:34 PM
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If you plan on hanging onto that 89 and working on it yourself you should get a scan tool for it. Occationally you can find them in pawn shops or ebay. I would expect you can get one for less than $100. You would probably see a cost savings on swapped parts for the investment.

The way to check an O2 sensor is to look at the cross counts. There are also O2 testers, but for the same money you can have a full diagnostic tool that will do much more.

Dave
========================
68 Coupe, 350 w/ Edelbrock Performer RPM heads, cam, intake, 700R4, Dave's small body HEI
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