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might be your catalytic converter being plugged up. An exhaust leak, bad head gasket, cracked head, clogged air filter, low compression, timing off, bad spark plugs. The 2.5 is a high compression engine, not enough back pressure in the exhaust will cause a drop in performance, via low compression in the 2 middle cylinders. The cat going bad or getting clogged up will also cause black puffs out of the exhaust, when it is very bad the car will stall and you will have to hold the gas pedal down to get it started and at stops to keep it running.
What else can I help you with?
Your 1993 Pontiac Bonneville is making a shrieking sound steel on steel when you make a 90 degree turn what could be wrong with it?
The shrieking sound during a turn could be due to worn-out or damaged wheel bearings or CV joints. It's important to have the vehicle inspected by a mechanic to determine the exact cause of the noise and prevent further damage to the vehicle.
What do you need to have weather?
Many things cause weather. I suppose you could say the most important ingredient would be solar power. Without the Sun there could be no weather.
What is the biggest motor made by Pontiac?
The biggest motor made by Pontiac was the 455 cubic inch V8 engine. It was produced from 1970 to 1976 and was known for its performance and power output.
Can a 7a 125v power cord be used in China which is 240v?
No, using a 7a 125v power cord in a 240v outlet in China could cause damage to your device or pose a safety hazard. You should use a power cord that is rated for at least 240v to ensure safe operation.
What would cause the entire house to lose electricity and the breaker not to go off?
It could be a problem with the equipment used to send you power. There could be a problem at the substation. There could also be a line down. It could be that the bill was not paid. You may have to contact the company that provides you the power to get this matter resolved.
What will cause your 1994 Pontiac firebird windows to not get any power to them?
Blown fuse in the fusebox.
What will cause no power to fuel pump relay on a 1991 Pontiac firebird?
The VATS resistor on your key may be bad, or inside your steering column.
Where do you add power steering fluid to a 1986 Pontiac Firebird?
At or near the power steering pump.
What are the possible solutions when the power mirrors only work to the inward position on a 96 Pontiac firebird?
very well could be a bad switch.
How much horse power does a 1997 Pontiac firebird formula have?
285 bhp
Where is the fuel pump shut off switch on a Pontiac firebird?
There is no fuel pump shut off switch on a Pontiac Firebird. Instead, it has a fuel pump relay under the hood in the power distribution box.
Pontiac firebird 98 power window doesnot work well?
Change the motor. These cars are notorious for this.
How do you replace 2001 Pontiac Firebird power window motor?
This site has a step by step guide for an older Firebird, but it is identical to what you need for a 2001. http://shbox.com/page/windowmotor.html
Horse power rating for 1998 Pontiac firebird 3.8 motor?
V6's ranged anywhere from 200-212hp
Do you drive a 91 Pontiac firebird?
ummm yes and its easy you just have to be carefull because it has alot of power and its a rear wheel drive
I HAVE A 1970 PONTIAC FIREBIRD WITH A 400 CI PONTIAC ENGINE I WANT TO REPLACE IT WITH A 1970 455 CI PONTIAC ENGINE WILL IT FIT POWER STEERING AND ALT BRACKETS INTAKE FLEXPLATE THE SAME?
Everything should bolt right up.
How much horse power does a 1997 Pontiac firebird formula have in it if it has a LT1 engine?
275HP LS1 ENGINS HAVE 320 HP THAT PERSON IS WRONG 320
