Subaru 2.2 will not idle smooth when cold. the idle will jump up and down from 400 to 3000 rpm when cold. once it warms up the idle will stay around 400rpm. what would cause this?

Cars & Vehicles
Subaru

The Subaru engine could have a vacuum leak, bad head gasket, stuck choke, or several other things causing the problem. Any of these could give problems then ease up as the engine warms up.

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I have a 1996 Honda Accord. The RPMs rev up while driving after car has been driven for over 150 miles. What would cause this and does it affect gas mileage?

IT SOUNDS TO ME LIKE YOUR CLUTCH IS SLIPPING???? IF YOU GOT A 5 SPEED TRANSMISSION START THE CAR PUT IT IN 1ST AND DRIVE THE CAR 5-10 MPH THEN IN 2ND PUSH THE GAS ALL THE WAY DOWN. IF THE RPM REVS HIGH AND THE CAR IS NOT TAKING OFF THERE IS YOUR PROB. IF YOU GOT AN AUTO JUST PUSH GAS PEDAL DOWN A...

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When putting gas in the car . the filler neck fills up and stops the gas from entering the tank even though the tank is not full. even when it is pumped slow. what is the problem?

The filler tube and or the tank vent is kinked or restricted in some way.

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When you pull up to stop at a light your montero sport jumps alittle you are not leaking fluid and it seems to drive ok what could be the prob?

when i pull up to a red light my montero sport jumps alittle, it doesnt do it all the time and i am not leaking trans fluid. What could be the problem?

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Infinity i30t and when you crank the vehicle it idols good around 1000 but once you put the car in drive and drive it for a while it starts to idol high please advise do I need a tune up or bad gas?

you need to replace the Idle Air Controller assembly. This is a known issue with these vehicles. Part+ $270 + 2 hours labor.(approx)

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