Issues with idle RPM & acceleration once brake is released

10

Asked by Apr 29, 2016 at 10:23 AM about the 1998 Chevrolet C/K 1500

Question type: Maintenance & Repair

Just purchased rebuilt 98 Silverado plus all decked out. I haven't had the truck for more than a week and already having a few issues. Noticed both on my way to work. 1. On my way to work this morning my RPMs at idle seemed very low between 500-700, but it also sounded like it was about to die. 2. I have to force my brake down somewhat, once released my truck will accelerate on its own on stop around 12 mpr. Any thoughts on what the issue could be.

1 Answer

51,815

RPM's sound normal, actually 700 is getting to high. On your other issue, sounds like the brake booster is starting to go. Having to press hard on the brakes is a good indication. This may be messing with the rpms, I would look at this first. Also run some fuel injection cleaner threw a tank of gas.

Your Answer

Add photo

Related Questions

  • Drop in Idle and/or stall when gas released 5 answers

    I have been working on our 89 Chevy K1500 and am still having an idle issue. The truck idle drops and lopes and occasionally completely stalls. This usually happens when driving slow in town... backi...

    1989 Chevrolet C/K 1500

    -

    Maintenance & Repair

  • No low end power 29 answers

    I have a '97 k1500 with a 350 and 4l60e automatic. Assuming all things are OK with the truck, would a bad fuel pressure regulator cause it to have no power at low rpm's? It always bogs under acceler...

    1997 Chevrolet C/K 1500

    -

    Maintenance & Repair

  • 1992 Chevy 1500 running rough and strange rapping noise in exhaust. 44 answers

    I have a 1992 Chevy Pickup says W/T 1500 on the side, it's rear wheel drive with a 6 cylinder motor.I am having an issue currently with it chugging and choking when the truck is in drive while holdi...

    1992 Chevrolet C/K 1500 Scottsdale Extended Cab LB

    -

    Maintenance & Repair

  • 4l60e transmission 4 answers

    Trans won't shift out until it's reved out

    1992 Chevrolet C/K 1500 Extended Cab Stepside SB

    -

    Maintenance & Repair

  • having transmission shift problems 94 silverado 7 answers

    runs well at idle and accelerates well in park. wont shift and sputters and stalls. have to let foot off accelerator and it will shift. runs well in high gear. no codes. only get 12 code repeatedly....

    1994 Chevrolet C/K 1500 Silverado Standard Cab SB 4WD

    -

    General

Search Chevrolet C/K 1500 Questions

Chevrolet C/K 1500 Experts

#1 Andrew Olsen
Andrew Olsen
Reputation 3,050
#2 John Saffrahn
John Saffrahn
Reputation 2,410
#3 Rowefast
Rowefast
Reputation 1,580
View All

Related Models For Sale

Used Chevrolet Silverado 1500
111 Great Deals out of 6,618 listings starting at $2,339
Used GMC Sierra 1500
149 Great Deals out of 7,483 listings starting at $2,178
Used Ford F-150
348 Great Deals out of 6,985 listings starting at $2,100
Used Dodge Ram 1500
39 Great Deals out of 435 listings starting at $2,500
Used Chevrolet Tahoe
501 listings starting at $4,300
Used Chevrolet Camaro
1,010 listings starting at $11,949
Used Chevrolet S-10
10 listings starting at $6,800
Used Toyota Tacoma
16 Great Deals out of 717 listings starting at $4,999