1991 Chevy Cavalier 1991cavalier

Tiny
DSMITH47501
  • MEMBER
  • 1991 CHEVROLET CAVALIER
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 183,000 MILES
I here a clicking sound I know where it comes from but I don't know what it is I think it is some kiind of a relay it' just under the passenger side right finder it's a black box thing it's clicks so loud you can here it while driving it also make the car runs bad
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Monday, November 9th, 2009 AT 12:05 PM

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Tiny
JDL
  • EXPERT
Welcome to the forum. The only thing I saw located underdash passenger side is the ecm. You can try a tap test on it, engine running, gently tap on the ecm, see if there is any change in the engine? With everything turned off, you can unplug the electrical connectors from ecm and plug back in, not sure it will help? Can you check for codes? Maybe a faulty ecm?
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Monday, November 9th, 2009 AT 12:47 PM

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