Why do my plugs keep fouling?

5

Asked by oldschool87 Mar 09, 2017 at 03:00 AM about the 1987 Chrysler Fifth Avenue Base

Question type: Maintenance & Repair

I have changed coil, plugs, wires, cap and rotor. my fuel economy went from
20mpg to 15mpg , my plugs keep fouling

2 Answers

157,115

What do the plugs look like when they are fouled? Are the plugs oily wet or sooty wet. Does the car use any engine oil. How many miles on the vehicle? As tennisshoes said above it could be many different things.

Your Answer:

Fifth Avenue

Looking for a Used Fifth Avenue in your area?

CarGurus has thousands of nationwide listings and the tools to find you a great deal.

Postal Code:

CarGurus Experts

  • #1
    Ed Morgan
    Reputation
    90
  • #2
    Mathieu Caron
    Reputation
    70
  • #2
    alicat3373
    Reputation
    70
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.