exhaust manifolds glowing

Asked by Chad Jan 21, 2016 at 01:04 AM about the 1998 GMC Sierra C/K 2500

Question type: Maintenance & Repair

I have a 98 GMC Sierra 3 quarter ton 4
wheel drive 5.7 Vortec new fuel pump spark
plugs and  wires distributor cap. exhaust
manifolds glowing any ideas

3 Answers
224,145

Rowefast answered 8 years ago

I'll go with the plugged catalytic converter, It would have to be a lean condition and running hard for fuel to make the manifold glow. Too much fuel would make it bog down.

Mark helpful

Your Answer:

Related Questions

  • exhaust manifolds glowing 3 Answers

    I have a 98 GMC Sierra 3 quarter ton 4 wheel drive 5.7 Vortec new fuel pump spark plugs and wires distributor cap. exhaust manifolds glowing any ideas

    1998 GMC Sierra C/K 2500

    -

    Maintenance & Repair

  • No spark 3 Answers

    Ive got a 1998 GMC C2500 5.7L Vortec. Ive done a motor swap from a 1998 Chevrolet 1500 Z71 4x4 5.7L Vortec. I got the motor running in my truck back in October and it was misfiring due to having the...

    1998 GMC Sierra C/K 2500

    -

    Maintenance & Repair

  • 89 gmc k2500 won't start after it warms up 4 Answers

    Hi I have a 89 gmc k2500 5.7 tbi the truck will start up and run once it warms up and I shut it off it will not fire back up cranks over fine It's got fuel All new distributor plugs wires coil MAP...

    1989 GMC Sierra C/K 2500

    -

    Maintenance & Repair

  • 98GMC 1 Answer

    How much fluid does A 98gmc 2500 four by four manual transmission take

    1998 GMC Sierra C/K 2500

    -

    Maintenance & Repair

  • Power breaks arnt working. 3 Answers

    Brakes are stiff. Its hard to stop vehicle. Hisssssssing noise that I can only hear from inside the cab and the engin revs to about 2000 rpm whenever I push on the brake pedle

    1994 GMC Sierra C/K 2500

    -

    Maintenance & Repair

Sierra C/K 2500

Looking for a Used Sierra C/K 2500 in your area?

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

Postal Code:

Shortcuts

Search GMC Sierra C/K 2500 Questions

CarGurus Experts

  • #1
    Gene Arnett
    Reputation
    20
  • #1
    Magnus Atlasson
    Reputation
    20
  • #1
    rrussellus
    Reputation
    20
View All

Find great deals from top-rated dealers

Search

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.