Question:
I have an old truck engine that is sounding like it is running kind of high rpm when I am stopped at a traffic light and in neutral.
Anybody have any tips on washing a car?
What are some reasons possibly for this?
Answers:
My 2000 chevy silverado is misfiring?
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High idle could be caused by a leaking vacuum pipe, a sticking idle control valve, a sticking throttle lever or butterfly, a sticking or damaged fuel pressure regulator, a faulty coolant temperature sensor, any number of things.
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If your vehicle is fitted with O2 sensors then one of them could be switching too low and so causing a higher idle than usual, but this would only be apparent once the engine had warmed up.
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The first thing to check is all of the vacuum pipes (EGR, fuel pressure regulator, brake servo hose, etc) basically any pipe that is connected to the intake or throttle body because these are popular cause of high idle.
Why does the petrol stop flowing when I fill up my car?
Best of luck
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Geordie
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Brokeing Vac lines carb need to be fixed timeing maybe offI bought a used truck from a dealership, they gave me a 60 day warentee, what can i bring it in for?
maybe a vacum leak leave engine on and see if ur can hear itWhat would cause a tire blowout?
your choke isnt opening up all the wayCan a stuck thermostat on your car make it overheat?
sounds like a vaccum line...but you did not specify year of vehicle...could be an air/gas sensor if it has one...good luck...several things - too rich a petrol/air mixture or a faulty choke ,sticking on - faulty lambda sensor - sticking throttle cable.
I have a question about my s-10 truck?
If your truck has a carburetor #1. Make sure the fast idle cam has dropped down all the way after warm up. #2. Check for vacuum leaks wit a vacuum sniffer. Hopefully there are none. #3. turn the single idle speed screw counter clock wise a quarter of a turn.How to replace a slave clyinder?
If you sit in neutral or park and push the brake down and the idle gets higher listen for a leaking air sound down by the brake pedal. If you do hear this you have a bad power brake booster leaking air. Another way to test this is to plug the hose going to the booster and push the brake pedal and see if the problem stops. If it does stop then the booster is bad. DO NOT DRIVE THE VEHICLE WITH THE VACUUM LINE DISCONNECTED FROM THE BOOSTER.Is it safe to drive for two hours on a spare tire?
COULD BE A STICKY CHOKE REFUSING TO CLOSEtry the simplest first a new throttle spring or adjust the cable to the revs drop
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