Egr default

Asked by GuruSKRCZ Jun 08, 2019 at 02:16 AM about the 1993 GMC Suburban C1500

Question type: Maintenance & Repair

When I barely give it throttle about 1200 rpm it
starts stumbling the egr valve opens all the way
then closes it repeats itself until I give more gas or
let off , it idles great .done changed egr valve an
solenoid both temperature sensors, complete tune
up,  rebuild the tbi regulator, new harmonic
balancer timing chain , knock sensor, new ecm
computer idk what to do I'm buying all this stuff
and havent fixed the problem

1 Answer
4,910

Mikbek answered 4 years ago

Checked to see if you have a spider injection system..,I had a 96chevy...had all kinds of issues and spider system under plenum was cause. Was leaking gas, fouling out etc...but there's no real test for issue other than replacing to new design...hope that helps

Mark helpful

Your Answer:

Related Questions

  • Egr default 1 Answer

    When I barely give it throttle about 1200 rpm it starts stumbling the egr valve opens all the way then closes it repeats itself until I give more gas or let off , it idles great .done changed egr v...

    1993 GMC Suburban C1500

    -

    Maintenance & Repair

  • Engine making whining/whistling noise from TBI or EGR valve. 2 Answers

    1993 GMC Suburban K1500 4WD

    -

    Maintenance & Repair

  • 1995 5.7 GMC SUBURBAN K1500 Won't start. 2 Answers

    95 Suburban sputters/loses power, backfires Loud, now won't start. I have a 1995 gmc suburban 5.7 350 v8 k1500, bought it in 2001 and ran perfectly fine with regular tune ups and maintenance , never...

    1995 GMC Suburban K1500 4WD

    -

    Maintenance & Repair

  • NO gasses on 1995 GMC Suburban K2500 7.4L 2 Answers

    I passed smog but my NO was borderline high....took off EGR to clean it but it was really clean.... thinking maybe there is a blockage in one of the passages....how should I go about testing the E...

    1995 GMC Suburban K2500 4WD

    -

    Maintenance & Repair

  • 350 5.7 bogging down 1 Answer

    I have a 1991 GMC v1500 suburban, the old body style. Only after the engine warms up for about 10- 15 minutes it begins to bog down and sometime sevearelely to the point where I'm not accelerating. ...

    1991 GMC Suburban V1500 4WD

    -

    Maintenance & Repair

Own this car?

Share your experience with others.

1993 GMC Suburban

Write a car review

Review another car

Shortcuts

Search GMC Suburban Questions

CarGurus Experts

  • #1
    ShadetreeMech
    Reputation
    1,090
  • #2
    Larry Thibert
    Reputation
    970
  • #3
    DanTheMan5160
    Reputation
    660
View All

Know more, shop wisely

Search

Related Models For Sale

Used Chevrolet Suburban
625 Great Deals out of 12,737 listings starting at $1,150
Used GMC Yukon
653 Great Deals out of 11,280 listings starting at $1,950

Used Cars For Sale

1999 GMC Suburban C1500 For Sale
1 listing
1995 GMC Suburban C1500 For Sale
1 listing
1994 GMC Suburban C1500 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.