Help on a 91 wet SC

95_5speed

Registered User
Ok, everytime it rains my car starts to act up. It Runs really rich blows black smoke at about 2500 and idles rough This has happen before but as soon as the car dries out it runs fine. I realize that obviously something is getting wet but don't know where to start. Every time I pull the codes I get something different.

Help me please.

Ps It's going to rain all weekend.
 
You need to look at your wiring harness'. Pull the rugs and see if you have water under there. I would love to give you more to go on but I only have the EVTM for the 89.

This is assuming that you know your wires are good. A bad set of wires can do some pretty strange things sometimes.

Aaron
 
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