RPMS go up without accelerating

90,000 MILES
Avatar
GPINA0
  • MEMBER
  • 2 POSTS
The truck stops once I'm slowing down before getting to a complete stop and while stopped the RPMS go up without accelerating the truck. Ive changed the throttle positioning sensor, crank position sensor and the idle control sensor plus cleaned the throttle.
Jan 4, 2012 at 11:54 AM
Avatar
HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
check your fuel pressure then scan for codes. should be 58 psi +-2
Jan 4, 2012 at 12:15 PM
Avatar
GPINA0
  • MEMBER
  • 2 POSTS
The PCM wouldnt be an option?
Jan 4, 2012 at 1:38 PM
Avatar
HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
there are certain steps that have to done before going to apcm.
Jan 4, 2012 at 1:52 PM
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.

Frequently Asked Problems for This Vehicle