Question about 2001 Hyundai Elantra

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1994 chrysler once engine warms will kick down to a normal idle but will randomly rev slightly as you are driving requiring me to kick it down again.

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  • rdhite Jul 14, 2009

    I have some, I'll try that in the morning... thanks

  • rdhite Jul 18, 2009

    Worked great thanks. By the way, I have now idea where the alantra reference came from. When I initially posted the problem it suddenly appeared with the description of my problem.

  • Richard Scordino May 11, 2010

    Try cleaning the throttle plate inside the throttle body with carb cleaner?

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Take it to a Chrysler Dealership... It's not a 2001 Hyundai Elantra. Nuff said.

Posted on Jul 18, 2009

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1994 toyota camry 2.2L. When i start the car the iddle. Is at 1100, then when is warm it goes down to 800 RPMs it feels like is going cut-off, is the normal or what i need to fix? felp please


That sounds about right to me. It needs slightly higher revs on a cold start and then should gradually drop to about 800 when engine has warmed up.

Feb 25, 2015 | 1994 Toyota Camry

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I have a 1989 Mazda 323, when cold engine idles very high, when very cold it idles so high that rev limiter kicks in, and it revs up, limiter kicks in, revs up limiter kicks in, once it warms up idle drops...


Have it looked at by a dealer,iam not sure here but i think you have a vacumn leak like the feed pipe to the servo split but really you need a mechanic who works on these cars day in day out and they will go straight too the problem for you

Jan 18, 2015 | 1989 Mazda 323

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2007 Hyundai Accent revs up in idle. Normal?


Ask your Mechanic it sound like the TPS could be going bad.

Aug 18, 2013 | Cars & Trucks

1 Answer

1987 mercedes 420sel car idles higher and higher after it warms up and will not kick down until it's cold again.


You have a vacuum leak on the intake.Start the engine and spray carb cleaner around all of the vacuum hoses and see where the engine REVS UP while you are spraying there... that is your leak area... correct it.

Apr 12, 2013 | Cars & Trucks

1 Answer

Rpm does not drop below 1000


No,only on carburated engines it,idles down to the set point,on yours,it's fuel injected,pushing gas pedal won't kick idle down,should go down after a certain amount of time,does it automatically,If you start and drive a 5 mile ride and stop at a stop sign,it should idle at it's set point if there's no engine problems,which may be.5 to .7 on your tac.When you normally first start,it will idle between 1000 to 1200 rpm's,don't push on gas,let idle say 15 seconds,put in drive and go.

Jan 13, 2013 | 2005 Chrysler Sebring Conv

1 Answer

89 Chevy Sprint takes about 5 minutes to warm up to be able to drive away or it stalls when I give it gas. The engine will rev up for 3-4 seconds then drop down and almost stall and then rev again during...


Plug the vacuum line you unplugged and the idle should come back. Change your air filter and the map sensor. check for correct coolant level and replace the coolant temp. sensor. This sensor affects cold starting and idle through the ECU (open loop mode, rich fuel mapping and 1200 rpm idle) It should go to closed loop mode in the ECU once engine warm up is achieved ( lean fuel mapping and normal 900 rpm idle). Do not unplug anything else till you perform an OBDII scan of the stored fault history

Jun 14, 2017 | Chevrolet Sprint Cars & Trucks

1 Answer

I have a 1984 ford f150. The truck idles very high when in park but when you put in drive or reverse it goes down to normal. It has duel straight exhaust on it and I wonder if that could be the prob. Idk.


you didnt say if it was happening only during the initial warm up of the vehicle or all the time. if it is just during warm up this is not too unusual as long as the engine isnt racing. if it is just a "high idle", say arround 2,000 rpm's its normal. the idle would usually go down as the vehicle reaches operating temperature. when you put the vehicle in gear, you are actually loading the engine slightly, thats why the idle comes down then. when in park the engine has no load on it so it is free to rev a little higher at these times. if it a at a high idle constantly, then i would start looking for sticking throttle cable, binding throttle plates, ect and remedy the problem. this should not have anything to do with the dual exhaust.

Mar 13, 2011 | Ford F-150 Cars & Trucks

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My toyota randomly will rev up the rpms to about


your idle position sensor could be bad. if it reads incorrectly, then it can randomly adjust to a higher idle like when you cold crank and let it warm up.

Mar 23, 2010 | 1994 Toyota Pickup

2 Answers

Oil pressure gauge reads normal when first starts. as it warms up, gauge goes to zero. If I rev engine, gauge goes back to normal.


Two things...when it reads zero, is there any engine noise (tapping or knocking)? After you rev the engine does the pressure read normal at idle and function normally, or does it go back down? Either way, you should not drive the vehicle 'till you have a mechanical gauge (yours is electro-mechanical) put on there and the actual pressure is tested. The condition may be a bad sending unit, a bad bearing or possible obstructed oil pump screen. The repair is obviously different for each one and the price is as well.

Oct 20, 2009 | 2002 Jeep Grand Cherokee

1 Answer

Fast idle


I have a similar problem which seems to stop ,if after 20 mins of driving or warmed up engine if you stop for 10 mins the revs die to a more normal 1500 revs! it is a spanish car now living in theUK I think the problem is choke related.

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