Question about 2004 Pontiac Bonneville

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Why does my car runs sluggish, wont pick up speed, jerks during acceleration and all sparks plugs fire except two but all spark plugs are new. helppppp!!!

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  • Pontiac Master
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Check coils,module,wires,any codes?

Posted on May 05, 2016

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Posted on Jan 02, 2017

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1 Answer

Ford escape wont accelerate and jerks into gear


try checking fireing order of spark plugs sounds like some wires may be on the wrong plugs if this was helpful please give me a good review

Feb 23, 2013 | 2003 Ford Escape

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

Car is sluggish and tends to bog down during hard


Could be several possibilities none of which I may be able to eliminate:
1. Tune-up!  You are not getting enough spark or Fuel!  Plug-wires may be cross-firing or bad ground from body to the engine - run a new ground wire to engine from battery or body-ground.
2. Replace fuel filter or do fuel pressure test to determine if f-pump is weak or lodged with corrosion or dirt particles.
3. replace plugs and wires and clean coil-pack ignition module (where plug wires originate from) use a brake-cleaner or throttle-body cleaner but be sure fumes are evaporated and dry before starting or spark could cause explosion from fumes. Oil on module could cause spark to jump.  Do not run plug wires along each other or will jump spark, wires must be crossed once or twice for prevention of this.\
4. check all vacuum lines around engine - a cracked vacuum line can cause a lot of problems.
5. injectors may be dirty or bad - easier to replace complete intake from scrap-yard then to pay $100.00 for new injectors each!
6. Coil-pack on ignition module could be cracked and may need to be replaced.
These are only possibilities of course with the little info you provided.
Hope this helps.

Jun 08, 2010 | 1999 Chevrolet Malibu

1 Answer

Why wont my chevy tahoe pick up speed ? we did everything , new spark plugs , new gas filter ,new fuel pump , new air filter , new gas filter , new spark plug wires , still it wont pick up speed . Why ?


did you check the timing? the firing order.
does the engine rpm rev up high? if it does then check the transmsission for low on fluid or slipping.
check your catalytic converter for clogged up.

Apr 27, 2010 | 1997 Chevrolet Tahoe

1 Answer

When I accelerate in my Lexus Es300 sedan 2000 it jerks and cannot exceed a speed of 60kph. what causes the jerking?


Sound like you are not firing on all cylinders. Tune up, spark plugs, cables , fuel injector check

Apr 15, 2010 | 2000 Lexus ES 300

2 Answers

Boggs or runs rough during acceleration


sounds like you need a tune up or a coil is bad

Jun 11, 2009 | 2000 Ford F150 Flareside SuperCab

2 Answers

No pick and get jerks during driving


Just got the same problem fixed myself. i thought it was the coil but turns out to be spark plugs and split breather hose in the engine!

Oct 30, 2008 | 1999 Daewoo Lanos

1 Answer

2000 Kia Sportage


We had o put in two new ignition coils along wit new spark plugs and wires. This solved the problem.

Oct 16, 2008 | 2000 Kia Sportage

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