1991 Volkswagen Golf Engine

1991 VOLKSWAGEN GOLF
200,000 MILES
Avatar
ANTONBERGMANN
  • MEMBER
  • 4 POSTS
When running hot, after an hour or more, under acceleration, engine 'cuts out' or 'lurches' losing power momentarily. This 91 golf engine is installed in an 84 Vanagon Westfalia. VW mechanic can't seem to fix. Any suggestions?
Jul 17, 2013 at 1:17 PM
Advertisement
Avatar
EXOVCDS
  • ✓Experienced Mechanic
  • 1,882 POSTS
Digifant injection or CIS?

Thomas
Jul 18, 2013 at 2:58 PM
Avatar
ANTONBERGMANN
  • MEMBER
  • 4 POSTS
Sorry, Thomas, don't understand your Q . . .
Jul 19, 2013 at 1:20 AM
Avatar
EXOVCDS
  • ✓Experienced Mechanic
  • 1,882 POSTS
What fuel injection system is the 91 golf engine using?

Digifant Injection or CIS injection?

If you don't know, take a picture of the engine bay and post it here so I can see.

Once I know what Fuel Injection System your engine is using, I can take a guess as to what the problem might be.

Thomas
Jul 19, 2013 at 5:27 AM
Avatar
ANTONBERGMANN
  • MEMBER
  • 4 POSTS
Thanks for clarifying. Its a Bosch monomotronic.
Jul 19, 2013 at 7:02 AM
Avatar
EXOVCDS
  • ✓Experienced Mechanic
  • 1,882 POSTS
Could be a distributor hall sensor signal that is cutting out... does the tach bounce when this happens?

You'll need a multimeter than can check frequency to check the signal from the distributor hall sensor.

Other possibilities:

- temperature sensor
- ECM relay
- fuel pump relay (loss of power to injectors)
- bad ground (corroded connection)

Thomas
Jul 19, 2013 at 7:51 AM
Avatar
ANTONBERGMANN
  • MEMBER
  • 4 POSTS
Thanks for the suggestions. No tach. Dist hall sensor, temp sensor, ECM all checked out. Will suggest checking the last two with mech at next appt Monday.
Thanks again!
Jul 19, 2013 at 8:21 AM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle