C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

An Easy Fix?

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Old Jul 25, 2011 | 11:03 PM
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Default An Easy Fix?

Thanks for any help you can give on this!

I recently put an intake gasket set on my 87 5.7L TPI.

It runs out great after re-timing it and reassembly.
BUT...
The electric radiator fan runs continusly and the ses light comes on after about 30 seconds of run time.
The A/C has not worked in years so there is no pressure there and
the coolant is full and working correctly so there is not a heat issue.

I'm wondering if the code being set is triggering the fan or if there is possibly anyone whos had this sort of issue in the past. All hoses and connectors were reattached correctly.

Thanks!
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Old Jul 25, 2011 | 11:20 PM
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make sure the A/C setting isnt activated on your climate control?
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Old Jul 26, 2011 | 08:39 AM
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..... What are the trouble codes ?? ..................
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Old Jul 26, 2011 | 08:50 AM
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Originally Posted by silveradopower
The electric radiator fan runs continusly and the ses light comes on after about 30 seconds of run time.
Usually means engine is in "limp home" mode.

Refer post # 3 above
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Old Jul 26, 2011 | 09:37 AM
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Originally Posted by rodj
Usually means engine is in "limp home" mode.

Refer post # 3 above
rodj BINGOS yet again.
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Old Jul 26, 2011 | 10:11 AM
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Originally Posted by rodj
Usually means engine is in "limp home" mode.

Refer post # 3 above


I've never heard it called "limp home" mode.

Yep, we need codes.
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Old Jul 26, 2011 | 11:29 AM
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Stupid suggestion but make sure you plugged the temp sensor back into the front of the intake.
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Old Jul 26, 2011 | 03:26 PM
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And the MAF connector and IAT connector (under plenum).
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