Stalling

Asked by Mar 10, 2013 at 09:04 AM about the 2004 Chevrolet Colorado 4 Dr Z85 4WD Extended Cab SB

Question type: Maintenance & Repair

HaVE A 2004 Colorado 5 cyl 4x4 4 dr. and I have replaced spark plugs ,brakes ,rotars
,cleaned Intake ,and changed a hose that was rotted under valve cover and put new air filter
,The idle is just under 1 when sitting there idling  until i drive it then start to apply brakes to
stop or slow down it  stalls out on me .Any ideas ?????????? deperate to find problem so i have a
vehicle to drive

4 Answers

think that you may have created a leak in your zeal to make it right. At the shop where I worked used to find these leaks with a simple unlit propane torch...just wave it above the intake connecting tubes, and as soon as the speed increases, you've found you leaker!

4 out of 4 people think this is helpful.
56,855

We have Colorados as delivery vehicles at the NAPA auto parts store where I work. When they get some mileage on them, say around 120,000, they'll start to "hunt" at idle as you approach a stop. That is the idle will go up & down a few times as you approach a stop light. Sometimes they'll stall. You'll want to clean the throttle plates, inspect the IAC (idle air control) valve for dirt and deposits, then have a shop Motovac the intake system. Motovac is a service where strong cleaners are put directly into your fuel system through the service port on the fuel rail. This cleans your fuel injectors, combustion chambers, & valves. We've had this service done on 2 of our delivery Colorado's. A 2004 & a 2005. The '04 got totalled but the '05 is still running strong with 211,000 miles on it. HTH. - Jim

8 out of 8 people think this is helpful.
Best Answer
30

i have a 2008 chevi colorado in the morning start and wants to shot off by sef and come back normal again

3 out of 3 people think this is helpful.
30

what the hell did you say????????

3 out of 3 people think this is helpful.

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