FUEL SYSTEM

Asked by Mar 27, 2013 at 08:43 PM about the 1986 Volkswagen Jetta GL

Question type: Maintenance & Repair

WHEN I PUSH DOWN THE GAS PEDLE IT DOSN'T DO
ANYTHING DIES?

11 Answers

109,065

How do you know that it's the fuel system? Get the codes read at the parts store to find out what failed. Write down the code number and post it here.

1 people found this helpful.
3,145

A 1986 vw doesn't have a diagnostic socket or anything like it. You will need to check it step by step.

3 people found this helpful.
5,115

First guess, clogged CAT...there may be a test port on the exhaust manifold...a protruding tube with a cap on it. Pop the cap and see if idle improves.

3,145

Check the pump pressure and the plate on the CIS injection system maybe it's dirty or stuck. Check the fuel filter and the pressure accumulator also on the back. Under the car's left side.

2 people found this helpful.
205

CAT or injection? on a '86? what did u smoke? seems to me wrong fuel mixture in the carb or ignition out of sequence!

5,115

86 Jetta in US has injection and a CAT...

3,145

that is correct, scott. vw came with a mechnical injection system since 1984

5,115

Wasn't 86 Jetta CIS-E?...I had one...10% power increase over the 85 model due to the improved injection system... 100 hp out of 1.8l 8-valve...38 mpg at 60mph as well...I really like that little car.

3,145

they came with different injection in us it was called cis but i do not know the variations. in europe, they were k-jetronic, ke-jetronic, and ke2- jetronic depending on the year and car

10

My first thing would be to do a "tune-up"....check plugs, distributor, etc....I had a similar problem and guess what...it was new " fouled plugs"....cleaned them and it runs like a charm. Had a battery problem which caused all of the "fouling"......I presume...:>) Best wishes RCB

1 people found this helpful.
40

Fuel pump is not powering on? pump relay clicks and seems working. starts and dies with starting fluid. primary concern is the fuel pump is not powering on. what could be the issue? actual fuel pump bad? could bad fuel filter or clogged catalytic converter even cause no power to the pump?

4 people found this helpful.

Your Answer:

Jetta

Looking for a Used Jetta in your area?

CarGurus has 28,436 nationwide Jetta listings starting at $1,653.

ZIP:

Volkswagen Jetta Experts

  • #1
    Goodwrench707
    Reputation
    2,740
  • #2
    Deathjam4
    Reputation
    2,320
  • #3
    Tom Demyan
    Reputation
    1,680
View All

Related Models For Sale

Used Volkswagen Passat
458 Great Deals out of 22,981 listings starting at $1,299
Used Honda Civic
488 Great Deals out of 44,847 listings starting at $1,150
Used Volkswagen GTI
76 Great Deals out of 5,305 listings starting at $2,500
Used Honda Accord
728 Great Deals out of 103,269 listings starting at $999
Used Volkswagen Golf
60 Great Deals out of 4,781 listings starting at $1,500
Used Toyota Camry
863 Great Deals out of 71,819 listings starting at $1,300
Used Toyota Corolla
728 Great Deals out of 64,330 listings starting at $1,499
Used BMW 3 Series
1,037 Great Deals out of 30,174 listings starting at $900

Used Cars For Sale

2019 Volkswagen Jetta For Sale
9,435 listings starting at $14,452
2018 Volkswagen Jetta For Sale
9 Great Deals out of 2,739 listings starting at $13,760
2017 Volkswagen Jetta For Sale
66 Great Deals out of 2,241 listings starting at $9,450
2016 Volkswagen Jetta For Sale
44 Great Deals out of 1,714 listings starting at $6,995
2015 Volkswagen Jetta For Sale
114 Great Deals out of 3,722 listings starting at $6,497

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.