Question about 1985 Chevrolet Celebrity

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1985 celebrity starts and idles then starts to idle higher and higher what:'s wrong

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  • 373 Answers

Sounds like either a vacuum leak, a TPS throttle position sensor, an AIC air idle control valve, or worst case scenerio, an intake manifold gasket. Try spraying brake cleaner directly onto intake manifold at the gasket. If idle lowers, that is the problem. Also spray all visible vacuum hoses and listen for idle drop. Listen for air hissing as well. Good luck let me know if these are good tips

Posted on Jan 08, 2013

Testimonial: "THANKS SO MUCH, USED THE BRAKE CLEANER IDLED DOWN TO WHERE IS NEEDS TO BE. IT WAS THAT SIMPLE THANKS AGAIN "

  • jamiem1416
    jamiem1416 Jan 15, 2013

    Great!! If you are changing it yourself, I can walk you through it. let me know. Cheers from Nova Scotia1

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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lazydave
  • 68 Answers

SOURCE: rough idle at higher rpm smooth

You have a vacume leak somewhere. You can try to listen for it or you can get a can of brake parts cleaner and spray it around the engine. Anywhere there is hoses or connections of any kind. When you find the leak the engine RPM's will increase. If thats not the problem it could be your EGR valve is clogged or your map sensor could be bad. Those things would usually cause a check engine light. Vacume leaks wont. Good luck

Posted on Jun 19, 2009

dmsr63
  • 2050 Answers

SOURCE: having trouble locating my idle air control valve

looking at the throttle body assembly, after removing the air filter housing, opposite side of the spark plugs, about an inch or two down, you should see a electrical connection, with four wires, the IAC has two small torxs screws that hold it to the throttle body.

Posted on Dec 22, 2009

  • 16 Answers

SOURCE: I HAVE A 1994 V-6

firering order sound wrong go to autozone and they will give you a print out of firing order. if no auotozone handy try others such as o-rielys

Posted on Jul 09, 2011

mechanicsonl
  • 431 Answers

SOURCE: My car shakes and hisses at idle, what's wrong??

if it goes when you put your foot down a little bit, then it sounds to me like idle speed control valve

Posted on Feb 25, 2012

  • 3 Answers

SOURCE: My 1994 Chevy Silverado C1500 won't start or idle?

battery,or altenator

Posted on May 25, 2012

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