Question about 2002 Chevrolet Cavalier Coupe

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My 2992 chev cavalier is surging forwarward when I step on the gas untill i reach aprox 30 km an hr

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I guess it is surging forward if it is a 2992 model year! All jokes aside it sounds as though you are having fuel injection problems. Have them flushed and it should straighten itself out. If the fuel injectors are bad you will no after you flush them and problem persists.

Posted on Sep 15, 2010

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Cant get passed by emission test. No codes are coming up but someone keeps saying evap system Catalytic converter, fuel pump, gas cap. O2 sensor has been replaced . Also eating alot of gas. Engine light...


You have to do a drive cycle, the fuel tank has to be between 1/4 and 3/4 of a tank of fuel, can not be above or below this fuel level.
To perform an OBDII Driving cycle do the following:

1. Cold Start
In order to be classified as a cold start the engine coolant temperature must be below 50ºC (122ºF) and within 6ºC (11ºF) of the ambient air temperature at startup. Do not leave the key on prior to the cold start or the heated oxygen sensor diagnostic may not run.

2. Idle
The engine must be run for two and a half minutes with the air conditioner on maximum and rear defroster on. The more electrical load you can apply the better. This will test the O2 heater, Passive Air, Purge "No Flow", Misfire and if closed loop is achieved, Fuel Trim.

3. Accelerate
Turn off the air conditioner and all the other loads and apply half throttle until 88km/hr (55mph) is reached. During this time the Misfire, Fuel Trim, and Purge Flow diagnostics will be performed.

4. Hold Steady Speed
Hold a steady speed of 88km/hr (55mph) for 3 minutes. During this time the O2 response, air Intrusive, EGR, Purge, Misfire, and Fuel Trim diagnostics will be performed.

5. Decelerate
Let off the accelerator pedal. Do not shift, touch the brake or clutch. It is important to let the vehicle coast along gradually slowing down to 32km/hr (20 mph). During this time the EGR, Purge and Fuel Trim diagnostics will be performed.

6. Accelerate
Accelerate at 3/4 throttle until 88-96 km/hr (55-60mph). This will perform the same diagnostics as in step 3.

7. Hold Steady Speed
Hold a steady speed of 88km/hr (55mph) for five minutes. During this time, in addition to the diagnostics performed in step 4, the catalyst monitor diagnostics will be performed. If the catalyst is marginal or the battery has been disconnected, it may take 5 complete driving cycles to determine the state of the catalyst.

8. Decelerate
This will perform the same diagnostics as in step 5. Again, don't press the clutch or brakes or shift gears.

Aug 26, 2011 | 2001 Pontiac Grand Am SE

1 Answer

RPM is @1500 say 60 Km an hr, when I lift off throttle rpm jumps up aprox 300 rpm. And why does it take so long for rpm to come down?when it does it drops to 1000,i touch accelerator very light-ly it...


Disconnect the battery for 10 minutes reconnect the battery then start the car and put it into the D postion with your for on the brake for 30 seconds then while still holding the brake put the car the N postion for 30 seconds still holding the brake now put the car back into the D postion for 30 seconds then put the car into the PARK postion and shut it off. Wait 10 second then start it and take it for for a test drive. Make sure the a/c is off and the radio,wipers are off while doing this procedure. This is called an adaptive relearn.

Apr 28, 2011 | 2003 Chevrolet Impala

1 Answer

1994 Chev Cavalier - engine light comes on randomly


One cause of the light to come on randomly is a loose gas cap. If it's not replaced tightly (turned until it clicks three or four times) it throws the light on. It's one thing to check anyway.

Nov 30, 2009 | 1994 Chevrolet Cavalier

1 Answer

The 1996 Chev Cavalier runs great. Then I stop,


It sounds like the fuel pressure regulator has gone bad and needs to be replaced. Start with that if your engine is flooding over with gas as you ****. If there is an Auto Zone around you area, have them scan the car for any DTC codes that may be related to your car not starting like a bad MAP sensor which would also cause a no start when the engine is hot. Auto Zone also carries the parts you will need to replace and can give you the step by step instructions to replacing the parts with common tools. If your good with tool both job should take about 30 min to replace. Good luck and keep me posted

Nov 01, 2009 | 1996 Chevrolet Cavalier

2 Answers

97 Cavalier brake chattering at 80 km/hr or higher


Sounds as if your brake rotors are warped from overheating. You can have them machined to take this out if they are thick enough. This should take care of the problem, if not replace rotors.

Sep 06, 2009 | 1997 Chevrolet Cavalier

1 Answer

Pcm not ready, NYS inspection, 1997 Saturn SL-1


Performing a GM OBDII Driving cycle:

  1. Cold Start. In order to be classified as a cold start the engine coolant temperature must be below 122°F (50°C) and within 11°F (6°C) of the ambient air temperature at startup.
    Do not leave the key in prior to the cold start or the heated oxygen sensor diagnostic may not run.
  2. Idle. The engine must be run for two and a half minutes with the air conditioner on and rear defroster on. The more electrical load you can apply the better. This will test the O2 heater, Passive Air, Purge "No Flow", Misfire, and - if closed loop is achieved- Fuel Trim.
  3. Accelerate. Turn off the air conditioner and all the other loads and apply half throttle until 55mph (88km/hr) is reached. During this time the Misfire, Fuel Trim, and Purge Flow diagnostics will be performed.
  4. Hold Steady Speed. Hold a steady speed of 55mph (88km/hr) for 3 minutes. During this time the O2 response, air Intrusive, EGR, Purge, Misfire, and Fuel Trim diagnostics will be performed.
  5. Decelerate. Let off the accelerator pedal. Do not shift, touch the brake or clutch. It is important to let the vehicle coast along gradually slowing down to 20 mph (32km/hr). During this time the EGR, Purge and Fuel Trim diagnostics will be performed.
  6. Accelerate. Accelerate at 3/4 throttle until 55-60mph (88-96 km/hr). This will perform the same diagnostics as in step 3.
  7. Hold Steady Speed. Hold a steady speed of 55mph (88km/hr) for five minutes. During this time, in addition to the diagnostics performed in step 4, the catalyst monitor diagnostics will be performed. If the catalyst is marginal or the battery has been disconnected, it may take 5 complete driving cycles to determine the state of the catalyst.
  8. Decelerate. This will perform the same diagnostics as in step 5. Again, don't press the clutch or brakes or shift gears.

Mar 21, 2009 | Saturn SL1 Cars & Trucks

1 Answer

1985 chev cavalier w/ fuel injection carb


It sounds like a throttlebody sensor is at fault here there are 2 sensors on the older throttlebodies

May 16, 2008 | 1985 Chevrolet Cavalier

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