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Check engine light

Here's a strange one:
1992 245 check engine light comes on and revs drop when I hit a bump or shift roughly. Found I could reproduce dropping rpm and engine light situation by slamming doors, including glovebox door.
Fuel pump relay, maybe?
Or something in fuel line?
The light goes off and revs go back to normal after a moment
Scary in traffic, but not so much in driveway.
Haven't checked codes yet






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New Check engine light
posted by  Eliotporter  on Wed Oct 29 05:18 CST 2014 >


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