Question about 1989 Buick Regal

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Stalls or pulls when you press on gas

What is the problem when a 1989 buick regel stalls and pulls when you press the gas.

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Let's think about this as a normal problem first:
It takes three things to have combustion:
1) Oxygen (in the form of air in this case)
2) Fuel (in the form of gas in this case)
3) An ignition point (in the form of a spark plug in this case)

The trick is getting these three variables in the right ratios, at the rigth times. Any of them is off (too much fuel, not enough air, spark too early or too late) and you have a failed combustion.

A car's internal combustion engine is no different. Reading your request, I think we can pressume that the engine actually starts and runs idle.

If this is the case, then check the following:
1) Change the air filter.
2) Has the fuel been sitting in the car? If so, you may want to drop in some injector cleaner into your tank.
3) If the above two fail, take the car to a mechanic and have them check the injector pressure. The problem may be related to the fuel pump not putting up enough pressure to rev the car, while only putting up enough pressure to idle the car.

Hope that helps!

Posted on May 20, 2009

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Hello, I would first do a general tune up. Replace the oil, fuel, and air filter. I would next change your Spark Plugs, Spark Plug Wires, Distributor Cap and Rotary Button. This may be just a clogged fuel or air filter or your spark plugs are fowled out and they need replaced as well. I would first however check your brakes becuase you say it pulls correct; this may be bad brakes and rotors and grabbing so I would inspect and check these first and if they are not bad I would move onto the tune up ok. If you have any questions email me back. I hope you have good luck!

Posted on May 20, 2009

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