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1988 c4 ses code 32

 
Old 06-08-2019, 08:56 PM
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stanay
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Default 1988 c4 ses code 32

My "service engine soon" light comes on when I first start it up. After I run it for a while (up to operating temp.) and turn it off, when I restart while its still warm, the SES light doesn't come on. The car has 62k miles on it and is in very nice condition. Any help will be appreciated.
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Old 06-12-2019, 11:06 PM
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FOURSPEEDVETTE
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I have the exact same problem on my 85. I've been told it's the temperature sensor. Only thing is, all the EGR parts are new. Including the temperature sensor. It's a real P.I.T.A. to remove the plenum just to check or replace the EGR temp sensor again. Those original sensors have been obsolete for awhile and now they're made in China I think. I've just decided to live with that Check Engine Light indicating EGR failure. The car runs fine..
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Old 06-13-2019, 02:05 AM
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65Z01
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My '88 FSM on pp. 6E3-A-40 has a stepwise diagnostic scheme to track down the source of the EGR problem.
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