After rain it won't fjre

Asked by Dec 23, 2015 at 02:12 AM about the 1992 Buick Roadmaster Sedan RWD

Question type: Maintenance & Repair

It runs fine until it rains,the check engine !ight is on.

3 Answers


Clearly something is getting wet, when the check engine light goes on take the car to autozone or advance auto and let them scan the car for codes for free...

2 of 2 people found this helpful.

You will probably find that moisture is getting into your distributor cap from rainwater entering through a break in the hood seal. It is along the rear edge of the hood edge or where it meets the fire wall. The Distributor cap is near the center at the rear of the engine (if it is a rear wheel drive car).

1 of 1 people found this helpful.

Also check your spark plug wires. Those too when they get old break down electrically and will cause the engine to misfire/not start when wet.

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