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Bonneville

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Question
No power steering, no power, no lights
Does the vehicle start and or run? When several systems are effected it is likely a wiring issue. You may be experiencing failure of the fuse box panel, or major electrical ground somewhere. If you own a voltmeter, you can...
Question
My car revs by itself when idle sometimes the car jerks a little what is the problem?
It sounds like you may have a dirty or failing idle air control valve. The idle air control valve monitors the air intake as it is mixed with fuel prior to being injected into the engine at low speeds and...
Question
Slow starting
Your car's accessories (i.e. interior lights and various other dash lights) are designed to go out as you turn the key to start the engine. This is purposely designed this way to direct as much power as possible to the...
Question
My abs light is on and my brake pedal goes to the floor.
Since the master cylinder is full and the brake pedal is going to the floor, there is a good chance the master cylinder has failed or there is a leak somewhere along the braking system. This leak may be found...
Question
Over heating cracking radiator
My guess is that you have a combustion leak from a blown head gasket, cracked head or cracked block. A combustion leak will result in excessive cooling system pressure, which could in turn lead to a cracked radiator. A professional...
Question
Have a 3.8 and I changed the spark control module and the code keeps coming up 1993 Pontiac Bonneville
Hello - regarding your ignition system problem - it sounds like replacing the spark control module wasn't the correct "fix". Without knowing what problem code was set, it's hard to know what the correct response should be. If you can...
Question
My car wont start.
Hi There, It sounds like part of your problem may have been partially related to a spark issue. Some other things to check in addition to the remaining spark plugs might be things like ignition coils, crankshaft position sensor, spark...
Question
When my car is idling the rpms and battery gauge drop off and it acts like it wants to die.
Hello Nick, What are you are describing sounds like potentially a dirty or failing idle air control valve which reads the air intake into the engine. The computer uses this data to make adjustments to the air/fuel ratio to keep...
Question
Car jerks at a steady speed.
This may be a sign of a dirty or failing mass air flow sensor. The mass air flow sensor is a unit in the intake system that monitors air intake as it is mixed with fuel prior to being injected...
Question
How much will it cost to tighten the tension pulley and repair power steering leak?
Hello there, you have several different issues going on with your 1999 Pontiac Bonneville. If the tensioner pulley is loose, it most likely needs replaced as it has become damaged on the inside and tightening it will not fix this....
Question
Locating and replacing my camshaft sensor - 2006 Pontiac Bonneville
Hi there. The camshaft position sensor is located on the rear cylinder head closest to the firewall (exhaust camshaft). Some engine cover and other bracket removal is necessary. If you would like assistance with this, I would recommend having a...
Question
Car squeaks after CV joint replacement 1998 Pontiac Bonneville
Hi there, replacement of the CV joint, axle and hub assembly required a certain amount of disassembly and reassembly of the suspension on that side of the vehicle. It is possible that this process caused a realignment of some suspension...
Question
Insert the key go to start everything. Goes blank releas back on battery is good starter also possible neutral safety switch or ig
Hello, thank you for writing in. Looking into and testing your ignition switch is the next step of your diagnostic process. If you have a voltmeter, you can test for voltage on particular terminals and see if the ignition switch...
Question
Car makes one click and won't start
Generally, this type of clicking sound will be heard when the starter solenoid is bad or the battery is simply just too weak to turn the motor over to start. Since you just replaced the starter, it is likely that...
Question
question
Chime noises, or any alarms for that matter, that just occur out of nowhere represent electrical faults that would have to be traced during an electrical components diagnostic. The only "connection" between the chime going off when the accelerator pedal...
Question
Where is the blend door actuator
The blend door actuator is located on top of the a/c evaporator case on most of these vehicles models. If you do not see one mounted to left side of evaporator heater case then it will be on top and...
Question
Car battery is fully charged and the car is receiving no power, it wont start and none of the in or outside lights are working.
Hello there, problems starting are one of the most common issues with your 2000 Pontiac Bonneville. The first place to start when the vehicle will not start properly is to have the battery load tested, this is a test checks...
Question
Pressed the gas pedal and the car didn't move forward. It rather rolled backwards because the vehicle was on a hilly place. What cold have happened?
Hi there. If a battery cable is loose or corroded the computer and components in the vehicle will shut down some circuits that are unable to get a good connection. If the vehicle makes the issues again then I recommend...
Question
Gas pedal
Hi There, It sounds like you are describing the symptoms of a failing throttle position sensor. The throttle position sensor monitors the throttle position of the throttle plate inside the throttle body in relation to your foot position on the...
Question
Vehicle does not move when pressing the accelerator
Hello. If your accelerator pedal is no longer working to accelerate your vehicle then it may be possible that your vehicle's throttle cable has snapped. The accelerator pedal is connected to the throttlebody via a steel cable that can sometimes...

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