Question about 2000 Dodge Durango

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Idle fluctuates. Not bad and not all the time. mostly at a red light or in park.

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When this occurs it is more than likely that you have a faulty TPS-throttle position sensor, and it is in need of changing. The TPS is located on the throttle body, and you can pick one up at just about any auto parts store. The installation is easy, and should only take you about 20 minutes if you do it yourself.

Posted on Mar 24, 2011


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When car is in park or stopped the rpms fluctuate below 1 and car stalls out.

Idle speed is normally controlled by the idle air control motor. These units get dirty and fail, but can often be cleaned and restored to normal function. You will need to remove the unit to clean it, but be careful not to damage the plunger and seat. Use carb + choke cleaner and maybe a small screwdriver (carefully), then blow unit out with compressed air. Replace gaskets as needed. Also low idle can be caused by vacuum leaks, bad O2 sensor, clogged exhaust (cat converter), dirty MAF, bad coolant temp sensor.

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The abs light and brake light is on the speedometer does not work until i hit 30. the tempature gauge fluxuates from 210 to almost the 260 and then goes back down to 210. What is causing these issues?

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JUST to be safe, pull the 3 pin plug on the IAC while the engine is idling. Does the idle change (speed should increase or start to fluctuate)? If not, you've got another bad IAC or there's a problem with the wiring/PCM that's not permitting it to work properly.

The code indicates there is an problem with your Idle Air Control System. Most likely failure is that the IAC system failed. There is an 3 pin from the IAC. Remove it from IAC when your engine is idling.Check whether there is an idle speed change? IF it does not fluctuate then your IAC has gone bad,

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Idle speed fluctuates up and down when car is in park or is in drive and stopped for a red light in traffic

The common cause of this on honda's is the Idle air control valve, or IAC Sometimes you can remove the valve and clean it, but often you need a new one. It is usually mounted with bolts to the back side of the intake manifold.

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2002 pontiac grand am, idle fluctuates at cold start in parkp0102

Sounds like a vacuum leak. Do you hear a sucking sound? Check your vacuum hoses, around the throttle body and intake for the sound. p0102 can come on when there is unmetered air getting to the engine and it could be fluctuating because the idle air control valve is trying to compensate.

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Dies at idle,fluctuating idle in neutral and park,

it sounds like your alternator is havin problems it might not be puttin out enough juice at idle to keep everything workin make sure you clean all the connections you can to

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