check engine light problems?

Asked by cdday May 05, 2014 at 04:49 PM about the 1985 Pontiac Fiero GT

Question type: Maintenance & Repair

check engine light has burnt out twice in last six months and has not been driven that
much.

1 Answer
655

Richard answered 9 years ago

I've heard from a mechanic that the amount of ethanol in gasoline today will cause your oxygen sensor to malfunction. This is why your check engine light keeps coming on.

2 people found this helpful.
Mark helpful

Your Answer:

Related Questions

Own this car?

Share your experience with others.

1985 Pontiac Fiero

Write a car review

Review another car

Shortcuts

Search Pontiac Fiero Questions

CarGurus Experts

  • #1
    THORNY68
    Reputation
    1,100
  • #2
    Steve Neyens
    Reputation
    600
  • #3
    Andrew Welsh
    Reputation
    510
View All

Know more, shop wisely

Search

Related Models For Sale

Used Pontiac Firebird
18 Great Deals out of 374 listings starting at $4,495
Used Chevrolet Corvette
657 Great Deals out of 11,958 listings starting at $3,200
Used Ford Mustang
906 Great Deals out of 23,037 listings starting at $1,995
Used Ford Ranger
586 Great Deals out of 10,094 listings starting at $2,550
Used Chevrolet Camaro
574 Great Deals out of 9,505 listings starting at $1,700
Used Acura Integra
62 Great Deals out of 5,078 listings starting at $24,777
Used Toyota MR2
17 listings

Used Cars For Sale

1988 Pontiac Fiero GT For Sale
4 listings
1987 Pontiac Fiero GT For Sale
4 listings
1986 Pontiac Fiero GT For Sale
7 listings
1985 Pontiac Fiero GT For Sale
1 listing

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.