Question about 2001 Pontiac Grand Am SE

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Car well not speed up when you step on gas,is it the engine or transmissiopn

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It could be a plugged catalectic converter plugged up too.

Posted on Apr 22, 2013


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My vehicle starts but when I step on the gas it dies.

After it starts does it idle good before you step on the gas , will it keep idling before you step on the gas ? Is the check engine light on ? What engine does the vehicle have ? This vehicle came with 5.0 L ,5.7L ,6.5 L , 7.4 L engines ,gas or diesel ? Three specific data sensors provide the vehicle control module (VCM) with the basic information for the fuel management portion of its operation. Three specific signals to the VCM establish the engine speed and air density factors. The engine speed signal comes from the distributor high resolution circuit. The VCM uses this information to determine engine speed (RPM). Air density is derived from intake air temperature (IAT) and manifold absolute pressure (MAP) sensor inputs. The IAT sensor measures the air temperature that is entering the engine. The IAT signal works in conjunction with the MAP sensor to determine air density. As the intake manifold pressure increases, the air density in the intake manifold also increases and additional fuel is required. This information from the IAT and MAP sensors is used by the VCM to control injector pulse width. One of these sensors could be bad or a plugged catalytic converter .

Dec 27, 2014 | 1998 GMC Suburban

1 Answer

My 2001 Buick Regal will only start if press the gas pedal, when I release the gas pedal to step on the brake the engine shuts off. Any Ideas?

Could be a dirty throttle body or a faulty idle air control valve.
The computer controls idle speed by regulating the amount of air entering the intake thru the throttle body.

Jan 25, 2013 | 2001 Buick Regal

1 Answer

Transmission leak

Take out your key, open the trunk, set the container of transmission fluid in the trunk, close the trunk lid. Now the fluid is in your car. Just kidding! The owners manual tells you how to check the level (some running and in gear, others with the engine off) and you use a funnel to pour it into the transmission dip stick tube. Do not overfill, that will cause churning, foaming, and could blow one of the seals in the transmission which could be costly.

Mar 14, 2012 | 1999 Chevrolet Malibu

1 Answer

Car will "pulse/surge" when at cruising speed or

Take your car in to have your check engine light code read. Most car parts dealers will do this for free. A possibility is you speed sensor on your transmission is going out.

Sep 04, 2017 | 1995 Chevrolet Cavalier

1 Answer

How do you tell if a automatic hyundai excel gbox is slipping

If you step on the gas and the engine accelerates but the car doesn't then that's slippage.

If you press the brake at a stop while you step on the gas you can determine the stall speed of your torque converter, if the engine revs beyond the stall speed then it's the torque converter clutch, TCC clutch solenoid, or a bad converter. Otherwise you need a professionals help.

Nov 22, 2009 | 1994 Hyundai Excel

2 Answers

2000 camero step on gas pedal car wants to die

your fuel filter might be old and clogged. try replacing it. if it is and not enough fuel can get through, the engine will stall when you let more air in (step on the gas pedal).

Oct 09, 2009 | 2000 Chevrolet Camaro

1 Answer

Idle speed for my 2002 corolla 4zz-fe engine is low and unevan

Sounds like fuel filter to me. Change that and see.

Jun 30, 2009 | 2001 Toyota Corolla

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