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Lots of things can cose that what kind of car? What carb are u runing if your runing a holy dule feed ck the fuel lelvel to much are to lil fuel will do this aso ck the curb idel it may be to low ck for vacum leaks as well Depending on the fuel pump your runing. Elect ? Ck that the flow is right for you carb ther are alot of things to look for this is just so commen things as you didnt give details
What else can I help you with?
What does a bad IAC cause?
the engine to stall and surge at idle
What would cause a 2000 Toyota Tacoma to surge at idle and while driving?
maybe the clutch
On a 94 Honda Civic what will cause it to overheat and cause idle surging?
Your 1994 Honda Civic will overheat when the thermostat is malfunctioning. The overheated engine can experience the idle to surge. The engine should be turned off immediately.
How do you fix the engine surge in your v6 1984 Ford Ranger 4x4?
Check your vacuum lines this usually the cause for a surge in engine speed when idling or running.
What would cause a diesel engine to surge at idle?
The first things to check are the air intake, the fuel pump/filter and the governor.
What would cause power surge in a 91 ford escort?
A power surge under a load is probably the transmission slipping. If its a manual transmission the pressure plate is slipping on the disc. If it is an automatic most likely it is a worn clutch pack slipping. If it surges at idle with the tranny in park the surge is usually a defective IAC (Idle Air Control) valve.
How do you fix idle on Vauxhall frontera?
Before you can fix the idle problem on your Vauxhall Frontera, you need to find out the cause of the problem. If the problem is with the fuel pump or fuel filter, they would need to be replaced.
What will cause your 1995 park avenue to surge at high RPM?
If you have a leak in your vaccum system, it will idle a few hundred more rpm's than normal, the idle speed setting is all electronic and can't be altered.
Why does your Zx2 surge at idle and in gear?
auto or stick shift
What cause a 2002 s10 to surge at idle speed?
A 2002 S10 may surge at idle speed due to several potential issues, including a vacuum leak, which can disrupt the air-fuel mixture, or a faulty idle air control (IAC) valve that fails to regulate the engine's idle speed properly. Dirty fuel injectors or a clogged air filter can also contribute to inconsistent idle. Additionally, issues with the ignition system, such as worn spark plugs or ignition coils, might cause irregular engine performance. It's advisable to perform a thorough diagnostic check to pinpoint the exact cause.
Is compressor surge bad?
How do you know it is surging? The most common cause for a jump in idle speed while the AC is running is when the cooling fan cycles on and puts a draw on the alternator.
What would cause a 1995 Suzuki Sidekick to knock and surge when it is cold but not after it warms up and how do you fix the problem?
i hade the same problem with mine turns out mine was caused by the distributer being faulty. not sure if it is the same with yours but it is worth a try. if that does not work try testing your O2 sensor or idle sensor. . jmm
