A slight popping sound when idling

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Jimb
Posts: 740
Joined: Mon May 05, 2008 1:03 am
Your car is a: 1985.5 Volumex

A slight popping sound when idling

Post by Jimb »

I can detect a continuous popping sound when idling and if I accelerate quickly I sometimes will get a momentary pop and hesitation.
Could this be the timing slightly off?
Jim
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focodave
Patron 2018
Patron 2018
Posts: 704
Joined: Sat Jun 30, 2012 10:35 am
Your car is a: 1980 Spider 2000 F.I.
Location: Fort Collins, CO

Re: A slight popping sound when idling

Post by focodave »

What year?
Carb'd or Injected?
What ignition system are you running?
1980 Spider 2000 F.I. (my hobby)
1970 MGB GT (my other hobby)
2008 Ford Expedition (daily driver)
2019 Harley-Davidson Electra Glide Standard
2019 Harley-Davidson Iron 883 Sportster
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azruss
Posts: 3659
Joined: Sun May 30, 2010 12:24 pm
Your car is a: 80 Fiat 2000 FI

Re: A slight popping sound when idling

Post by azruss »

sounds like a very small air leak in the intake system
Jimb
Posts: 740
Joined: Mon May 05, 2008 1:03 am
Your car is a: 1985.5 Volumex

Re: A slight popping sound when idling

Post by Jimb »

Its an '85.5 Carb with Abarth supercharger.
Jim
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