Question about Cars & Trucks
Sounds like the rear pads are worn out, your front brakes are keeping the truck from rolling. You need to have the high rpm checked for that 30-50 seconds as it is called the "cold start routine" and is meant to rev the engine for that time period. There may be an adjustment to keep it from over revving, check the specs for the rpm.
Even if you fix the rear brakes, the stress on the U-joints and differential or transmission is needless and can be fixed by limiting the high rpm in the "cold start cycle".
Posted on Jan 13, 2013
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Posted on Jan 02, 2017
sounds real easy either a bad idle air control solenoid or more likley a blown throttle body gasket. to test fro a blown gasket, with engine running and cool spray carb cleaner or brake cleaner around base of tb were it bolts to intake. when it hits the bad area, should idle down and be normal for a second or 2. iac is possible,try this first since its so common and let me know
Posted on Aug 26, 2009
It sounds like your Idle air control valve may be sticking and needs to eb cleaned out. You can clean it by spraying throttle body cleaner through the throttle body and in to the idle air control valve passage way in the throttle body. Maker sure you use throttle body cleaner, the carb cleaner is too corrosive to the gaskets used for throttle body. Once you have cleaned out the throttle body, "follow the instructions on the can" turn the ignition keys to the on position for 30 seconds and then off for 10 seconds and then start the engine. This procedure will reset the idle air control valve and your should be good to go, if you see excessive smoke from the tail pipe. Don't worry, that's just the residual carbon and throttle body cleaner in the intake manifold and the smoke will go away soon as you burn off all the carbon and cleaner in the system. Takes about 5 min if not less, depends on how dirty the throttle body and intake manifold was. If this has not fixed the problem, good chance that the idle air control valve has gotten too far to be cleaned and needs to be replaced, but that's rare. Good luck and keep me posted, be glad to help you get your truck running 100% again.
Posted on Oct 26, 2009
Testimonial: "great advice I hope it will solve the problem, I'll let you know."
You probably have a large vacuum leak. With the engine running, listen under the hood for a hissing sound. Check all of the rubber lines running from the intake.
Posted on Mar 05, 2010
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