Question about 2000 Oldsmobile Bravada

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Rpms reving to fast to high i have put a new tempture control sensor,speed control sensor,mass air flow sensor,throdle control sensor and idol air control sensor but this has not fixed the problem.what is next?

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Check your throttle plate, may be sticking. also check for vacuum leaks around the intake tube and intake manifold.

Posted on Mar 28, 2011

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2003 ford explorer idle surged on me driving. Stopped and put in neutral went up to 3000 rpms. Fast idle now


Given all the electronic sensors that could cause this problem , your best bet is to take it to a qualified repair shop where they have advanced testing equipment . Just so you do spend all your money replacing parts ,,here is just a couple that can cause this problem ! Idle air control valve , throttle position sensor , vacuum leaks , map sensor . dirty throttle plate . mass air flow sensor . A qualified repair shop has a scan tool that can check data for all these sensors .

Jun 29, 2016 | 2003 Ford Explorer

1 Answer

When starting idol way to high put in gear drops to normal lincage ls clear and clean


Year, make, and model please. Different cars have different fixes. Most times it is clean the throttle body, idle air control motor, and mass air flow sensor.

May 20, 2015 | Cars & Trucks

1 Answer

Idles at 1000 - 1200 rpms won't drop


high idle could be caused by air inlet duct collapsed loose or air filter element clogged,idle air control valve failed,idle air inlet passage or throttle bore is dirty full of deposit,mass air flow is dirty out of calibration,throttle plate throttle shaft or linkage is damaged or leaking.have vechicle code scan first before buying new parts.

Oct 23, 2012 | 1998 Oldsmobile Aurora

1 Answer

Car idling to high


there is a idle speed control motor the motor sticks tap on it with a small hammer while running and see if the rpm's drop tap not hit

Sep 13, 2012 | Ford Mustang Cars & Trucks

1 Answer

When my Malibu is in park or in neutral, the RPMs run between 250 and 3. when my car is in drive or reverse the RPMs run normal. How do I adjust the high idol? where is this located?


There is no idle adjustment. That is controlled by the computer via the idle air solenoid. You can try cleaning the throttle body though. In fuel injected engines the throttle plate gets gummed up where in older cars it was kept clean by the gasoline flowing through it. Use any name brand carb cleaner that is marked "sensor safe" and spray around the perimeter of the throttle plate and also do that while running. After cleaning, it should run better. You can also clean off the cross wires inside the bore of the mass air flow sensor using a q tip and the same carb cleaner. Gunk buildup on the wires changes the way the sensor reads air flow.
Any questions about anything you don't understand, just ask.

Jun 28, 2011 | 2001 Chevrolet Malibu

1 Answer

When the mass air flow sensor is connected the rpms spike to 3000 and then fluxuates.


HI: IS SOUNDS LIKE THE IAC IDLE AIR CONTROL IS STUCK OPEN, NOT HOOKED UP, OR THERE IS A BIG VACUUM LEAK. BRAKE BOOSTER OR OTHER VACUUM LINE MAY BE THE PROBLEM. IF THERE IS EXTRA AIR GETTING IN, THE ECM TELLS THE INJECTORS TO FEED MORE FUEL TO KEEP THE MIXTURE CORRECT. THIS MAKES IT RUN TOO FAST. THEN TO CONTROL THE SPEED, IT CUTS OFF THE FUEL. THUS THE GREAT SPEED FLUCTUATION.
MAKE SURE THE IAC IS PLUGGED IN FIRST.

Mar 08, 2011 | 1991 Dodge Stealth

3 Answers

Idols up and down by itself


Check for a vacume leak,gummed up carburator, or automatic chock sticking

Mar 05, 2011 | 1986 Chevrolet Camaro

1 Answer

My 1995 Kia Sephia accelerates and shuts down


check to make sure that your mass air flow sensor is working properly and your clean air supply to the throdle body is all connected and functioning. allong with the sensors connected to that. it sounds like your cars mas air flow sensor is giving an incorrect high reading to your ecu...so your car thinks it is taking in more air than it is... the fuel injectors are trying to compensate for the high air flow but because that air flow does not exist the car stalls.

Jun 01, 2010 | 1995 Kia Sephia

1 Answer

Idol runs fast after starting vehiicle


the idle air control valve is stuck,or there is a vacuum leak.check the vacuum lines,the throttle cable is not sticking and the idle control valve which is on the side of the throttle body and the throttle position sensor.check all the plugs on these for a good connection.

Jul 13, 2009 | 2003 Chevrolet Venture Passanger

2 Answers

Check engine light on,idols rough,fine at all other speeds.


I decided to check the idol air control valve,when I removed it I found the problem right behind it. The P C V valve hose was just about into where it fastens to the intake,the other end was bad also. Cost me aout $6.00 Where auto parts stores were telling me parts would cost two or three hundred $$.

Jan 20, 2009 | 2001 Ford Escort ZX2

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