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Isuzu NPR Cruising problems

Tiny
DJINTX
  • MEMBER
  • 2004 ISUZU NPR
  • 176,000 MILES
2004 Isuzu NPR Diesel - Two problems

1: When crusing on the freeway and I try to just maintain a certain speed, it gets real ******" back and forth when I let on and off the gas pedal. When using the cruise control, I dont have any problems, but when I push the control to slow down or speed up, it still****** once each time.
2: Similar to problem 1, when crusing around 20-40mph and I hit a bump, the consiquent bouncing causes my foot to***** on the gas pedal, which causes the******** again. And once again if I use cruise control in bumpy areas I have no problem.

I think it has something to do with the accelerator pedal or something. Any helpfull advice.
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Monday, June 20th, 2011 AT 4:46 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the throttle actuator control module and the accelerator pedal position sensor
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Monday, June 20th, 2011 AT 7:30 AM
Tiny
DJINTX
  • MEMBER
  • 2 POSTS
Where would I find those, and any hints on how to check them?
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Monday, June 20th, 2011 AT 1:50 PM

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