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Bonneville

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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...
Fuel leaking out of car
The fuel lines and filter would have to be checked to see what is causing your leak. I recommend you do not attempt to drive the vehicle till having it looked at and fixed. The leak may pose a fire...
Car won't go into gear.
We would first have to know if the vehicle is an automatic or manual transmission, and the exact nature of the problem. For both transmissions, there is a wide variety of reasons as to why the vehicle would not shift...
Brake lines leaking.
Brake lines are known for rusting out and leaking. I would recommend a technician from YourMechanic come out and replace it as needed. (https://www.yourmechanic.com/services/brake-hose-replacement)
My pontiac bonniville starts and goes into gears but wont move at all it just revs
Check the fluid level as very low fluid, or a clogged fluid filter, will result in no movement. If the fluid level is adequate, and there is no movement in any gear, the most common causes for that are: broken...
Codes p0171/p0300 came up after intake manifold repair, car feels like it’s bogging down/ not getting enough air! Idk what to do ?
The cause behind diagnostic trouble code P0171 (https://www.yourmechanic.com/article/p0171-obd-ii-trouble-code-system-too-lean-bank-1-by-andrew-quinn) is easiest to find by looking at the secondary firing patterns on the bank one cylinders. That will confirm if the too lean condition, that has caused code P0171 to set, affects...
How do I turn off the anti theift lock on my 2002 Bonneville sle
The anti-theft system cannot be bypassed. If it could everyone would want to do it. You would need to have the system repaired and programmed to enable the system again.
hello Brandon my name is Marie,I have a 2005 pontiac bonniville gxp Im having crankshaft issues and oxygen sensors
Hi Marie: With regard to the code P1372 that was downloaded, there are many potential malfunctions that will cause P1372 to set in addition to the crankshaft position sensor itself being faulty. And, if the sensor itself is suspected as...
Shop says tie rods, wheel bearings and motor mounts are going bad on a used Bonneville-salesman says not true because no noise
Based on data from the Kelly Blue Book database of used car transactions, if the car were in good condition (which it isn't , obviously), it's worth about $2,000. Given the number, and extent, of required repairs, $2,000 would be...
Where is the transmission speed sensor on a 2003 Pontiac Bonneville
Hi There, As you know, there are two speed sensors (https://www.yourmechanic.com/services/transmission-speed-sensor-replacement). One is an input speed sensor and one is an output speed sensor. These are both very different in terms of their location. The input speed sensor (which is...
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 (https://www.yourmechanic.com/services/electrical-components-are-not-working-inspection). The only "connection" between the chime going off when the accelerator...
Engine makes weird noise
The knocking noise and the dying are most likely two different problems. Diagnosing sounds is inherently not possible without being present. Even with a video. There are some very specific noises a car can make that with experience a technician...
Car stalling when in drive
Hello. If the engine turns off right when you put it into gear, then it may have an idling issue or it may have a bad torque converter clutch solenoid. If the vehicle seems to jump forward when this occurs,...
Bad oil leak
Hi. Valve cover gaskets are a common leak point for high mileage vehicles. The repair is not very complicated and in most cases can be performed by a qualified technician, such as one from YourMechanic. Once the gaskets have been...
Why does my oil gauge go to zero when I press on the gas pedal?What does it mean if I have to keep putting transmission fluid in?
The oil pressure gauge will fluctuate slightly with changes in engine RPM's, but should not go down to zero. This could mean a few things could be happening. Either the motor is in fact low on oil, the oil pump...
Code p0 300 comes out
Hi Edwardo. Thanks for contacting us tonight. The P-0300 OBD-II trouble code (https://www.yourmechanic.com/article/p0300-obd-ii-trouble-code-random-multiple-cylinder-misfire-detected-by-jamahl-walker) indicates that there is a misfire in random or multiple cylinders. This could be caused by misfiring fuel injectors, faulty spark plugs, coil packs, or other ignition...
What can I use to stop lifters from ticking
Hi Tyhesha. Thanks for contacting us today. Usually cylinder head lifters will tick due to one of two things - either they are loose and need to be adjusted or replaced or there isn't enough engine oil lubricating them. The...
With the air on or off my car hesitates at take off and going up any size hill and will not go over 40 in my 2002 Pontiac Bonneville
It is possible that you could have an issue with your crankshaft or camshaft position sensor. Fuel issues may also be the cause of your symptom. It is very likely that trouble codes were stored in your vehicle's powertrain control...
Can a P0108 code be caused by oil leaking onto the ignition wires 1998 Pontiac Bonneville
Hello. To answer your question, no, oil on the ignition wires will not typically cause this. The code you are getting if for a faulty MAP sensor. This sensor fails and causes this code to appear. It can also be...
I have a 2004 Pontiac bonneville, and air blows cold on the passengers side of the car, but not on the drivers side. Any ideas?
Hi there. There is a blend door that keeps the air blowing on the cold and hot sections separate. The blend door maybe stuck between the evaporator and the heater core causing the temperature difference. Also, the air duct on...

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