Question about 1986 Chevrolet Monte Carlo

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My 1986 monte carlo wont start its something with the fuel, i have a new pump and module is it the brain?

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  • Donnie Matney
    Donnie Matney May 11, 2010

    ignition module? what are you referring to?

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  • Chevrolet Master
  • 1,564 Answers

This may involve your security system, if so it's best to have a dealership diagnose the situation. They are the ONLY ones with the proper equipment to do this.

Posted on Jul 30, 2009

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1 Answer

Inertia switch location on 86 monte carlo 4.3


Sorry , no Inertia switch on 86 Chevy Monte Carlo , so you have no fuel ? Did you check the inline fuse or fuel pump relay ? Near the battery is the fuel pump relay an the inline fuse !

Apr 22, 2015 | 1986 Chevrolet Monte Carlo

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Replacing water pump on 86 chevy monte carlo


Thats interesting - - the engine should start even if the water pump has been removed.
An 86 model would have a V6 or a V8 engine and both use a distributor, have you checked for spark at the plugs and fuel in the carb or injector ??

Dec 17, 2012 | 1986 Chevrolet Monte Carlo

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sounds like your fuel pump weak, need to check fuel pressure when engine won;t start and check with engine running

Sep 03, 2012 | 2006 Chevrolet Monte Carlo

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My 99 monte carlo runs great but every once in a while it wont start it cranks over but the fuel pump never turns on if i let it sit for a few days it will start i always know when its going to start...


Your fuel pump is getting ready to go out.Check your fuel pressure it should be 48-55 psi with key on and engine off.If its not within specs then replace the pump and filter.

Nov 02, 2011 | 1999 Chevrolet Monte Carlo

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I have a 1997 monte carlo that will run fine when you first start it and it sputters while driving and after about 10 miles it will die and wont start till the next morning. i changed the fuel pump and...


Hello: WHEN IT DOESN'T START THAT IS THE TIME YOU NEED TO DIAGNOISE THE PROBLEM. A INTERNAL COMBUSTION ENGINE NEEDS THREE THINGS TO RUN- AIR, FUEL AND SPARK. CHECK FUEL PRESSURE. CHECK FOR SPARK TO THE SPARKPLUGS. IT COULD BE THE ENGINE COMPUTER , THE IGNITION MODULE. IT COULD BE THE CRANK SENSOR. WITHOUT HANDS ON DIAGNOSIS I WOULD BE GUESSING.

Sep 29, 2011 | 1997 Chevrolet Monte Carlo

1 Answer

My 1986 monte carlo wont stay running. It starts up and stops running when i push on the gas it loses power then stalls. I changed the fuel filter, new plugs and wires. i took off my cat to see if it was...


I know you say your timing seems fine but there is not too much that can cause this to happen with theses older car. My first thought was the timing chain might have jumped a tooth causing your cam timing to be off. This is like the only thing I have seen cause this problem with a 305 or 350 I would be checking the timing marks under the water pump to make sure it did not jump they are super easy to get to on theses cars.

Mar 17, 2011 | 1986 Chevrolet Monte Carlo

1 Answer

I have an 86 monte carlo 4.3 efi,,,the car didnt want to start wich i believed were fuel problems.i replaced fuel filter and checked fuel lines to see if clooged.checked out ok so i talked to a mechanic...


The fuel pump is bad, the electric motor was stuck in a bad position & when you hit the bottom of the tank it made the rotor turn to good spot which allowed you to drive. But make no mistake, the fuel pump is bad!

Mar 29, 2017 | 1986 Chevrolet Monte Carlo

1 Answer

2002 monte carlo fuel gauge doesnt work,pump works ok.


It is likely the fuel level sending unit. I had a customer with an 03 Monte Carlo that the pump went out and the fuel gauge hadn't worked in about a year. We replaced the fuel pump module and it took care of both problems. I believe the sending unit is available separately from the complete module.

Jan 10, 2010 | 2002 Chevrolet Monte Carlo

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