Not running well since tune up

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Not running well since tune up

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Volkswagen Forums >> VW MODELS >> Volkswagen Jetta >> Not running well since tune up

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Not running well since tune up - 8/22/2007 6:06:55 PM

beany68

Posts: 2
Joined: 8/22/2007
Status: offline

Hi 1997 Jetta. Did a tune up last night (plugs,wires,cap,rotor). Car ran well initially when started then the check engine light came on..Took it out for a test drive the check light was on and off intermitantly.When the light is on the car hesitates stumbles and seems to lack power, as soon as the light goes out the car pick up and runs great..... anyone have any ideas...I am at a complete loss...thanks in advance for any help
Mike
light stays on now... before was on/off

Post #: 1

RE: Not running well since tune up - 8/22/2007 8:36:48 PM

mindofitsown

Posts: 4
Joined: 8/22/2007
Status: offline

did you cross wires

(in reply to beany68)

Post #: 2

RE: Not running well since tune up - 8/23/2007 4:55:39 AM

beany68

Posts: 2
Joined: 8/22/2007
Status: offline

Car is idiling great...so i know its not a crossed wire....
the check engine light is on and off intermitantly.... when off the car runs great
when on the car lacks power and seems to stumble a bit

(in reply to mindofitsown)

Post #: 3

RE: Not running well since tune up - 8/28/2007 10:47:40 AM

dsons

Posts: 4
Joined: 8/28/2007
Status: offline

did you have to pull any of the plug wires back off? they are really hard to remove once they are seated and you could have damaged it causing an intermittant misfire. take it to autozone and let them hook up their code reader.

(in reply to beany68)

Post #: 4