Question about 2001 Pontiac Bonneville

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2001 Bonneville Car has heavy front vibration at acceleration between 40 and 60 mph only.New spark plugs and hv wires.

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Check front suspension and tire balance could be bad idler arm to tires out of balance

Posted on Sep 27, 2009

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Check tires for balance or defect

Posted on Sep 27, 2009

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1 Answer

Struggle to accelerate.from 0 to60.


Old spark plugs will fail randomly under the load of acceleration and may not activate the check engine light. The weak plugs are firing but the compression blows the flame out before it gets started.

Feb 20, 2015 | 2001 Pontiac Bonneville

1 Answer

Shaking engine, almost no acceleration, check engine light flashing


How about timing? How about the distributor and rotor? What about the timing chain?

Jan 23, 2013 | 1998 Pontiac Bonneville

1 Answer

Loping engine


Try cleaning the mass air flow meter. There;s a spray cleaner you can get at an auto parts store

Jan 14, 2013 | 1993 Pontiac Bonneville

1 Answer

1997 Oldsmobile Achieva - check engine light is on and car is running sluggishly...brand new motor installed 6 weeks ago.


What speed are you going when it chugs?
It could be as simple as a bad spark plug or a spark plug wire/boot grounding out.
When spark plug boots get old, the rubber cracks and lets voltage arc out the side and to the engine instead of through the plug.
This will be most noticeable when trying to maintain a speed of over 40 mph, or under mild acceleration.
The reason for being noticeable at this speed/acceleration level is that the transmission torque converter will be locked, transferring the vibration from any engine miss straight through to the wheels.

Jan 07, 2012 | 1997 Oldsmobile Achieva

1 Answer

I have a 98 Bonneville with a bad vibration at 65 mph,new struts, new jack shafts, new front wheel hub assy;s new cooper tires, new motor mounts. Do you have answer?


This most likely may be due to the new tires... make sure that they are balanced correctly... 1 out of 10 times this will happen and you should only be able to feel it at certain MPH... somtimes worse then others.

Jan 04, 2011 | 2001 Pontiac Bonneville

2 Answers

Vibration on acceleration


when some vheel missing weight , the vibration begins at 40-45 mph, now if begins at any moment of acceleration ,check inner drive shafts , no outer joints

Apr 20, 2009 | Nissan Quest Cars & Trucks

1 Answer

1996 Ford Explorer vibrates when idling. Also have noticed that when I go 80 mph, it "jumps" every few seconds. Like it skips a beat. I don't know how to explain it but it seams to "stall" like if you were...


You have a hesitation. A hesitation is cause be either:
1. bad spark plug
2. bad spark plug wire
3. bad or leaky or plugged injector
4. timing is off
5. leaky vacuum hose

Mar 04, 2009 | 1996 Ford Explorer

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