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2002 SAAB 9-3 repair Question mis-fire

Tiny
THUETHER
  • MEMBER
  • 2002 SAAB 9-3
  • 4 CYL
  • FWD
  • MANUAL
  • 86,000 MILES
The 2.0 liter turbo charged engine is great overall (great gas mileage, and great power), but my engine light came on and I now have mis-firing from the engine when first started, and sometimes when idling. I have changed the spark plugs with NGK platinum plugs. Any ideas?
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Sunday, September 20th, 2009 AT 1:37 PM

3 Replies

Tiny
MNTHNY4
  • MECHANIC
  • 612 POSTS
Hey what's up, as per your mis-fire issue, u will need to read codes from system, but anyways u may have a direct ignition cassette fault, that is the part that sit on top of the spark plugs, so if the codes u read r p1334, p1312 or p0340, then that is related to your DI CASSETTE, if non of those code present then u will need to get injector flushed or clean, those r the only 2 issues for mis-firing with that car
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Saturday, September 26th, 2009 AT 5:08 PM
Tiny
THUETHER
  • MEMBER
  • 2 POSTS
Thanks, you guys are the best.
I will take your advice and start there.
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Sunday, September 27th, 2009 AT 4:18 PM
Tiny
MNTHNY4
  • MECHANIC
  • 612 POSTS
You r welcome, if info help to fix your issue state which, may be helpfull to others in the future with same type issue.
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Monday, September 28th, 2009 AT 9:37 PM

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