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#1
12-05-2008, 07:30 PM
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engine light flashing and missfiring
car hard to start ,engine light flashing and trac light on ,loss of power and missfiring.this suddenly acurred overnight.please help.this is a 2002 olds alero 2.2 four cyl.
Last edited by bowser1965; 12-05-2008 at 08:04 PM. 
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#2
12-05-2008, 07:42 PM
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Re: engine light flashing and missfiring
Welcome to AF.
Please post the engine size and year Alero. When was the last tuneup? Spark plugs?
__________________
'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8 '02 Oldsmobile Alero GL2 - LA1 3400 V6 '99 Buick Regal LS - L36 Series II 3800 V6 '03 Honda CR250R MX - 2 Stroke 250cc '97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold) Timeslip 08/12/06 AF Community Guidelines
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#4
12-08-2008, 07:28 PM
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Re: engine light flashing and missfiring
With the misfires I'd check the plug/wires/coil/ICM.
If those are newr then it could possibly be an injector crappin out. With the trac light(s) you'll need an ABS capable scan tool to read the trouble codes. Most likly a wheel speed sensor pretty typical of N bodies.
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1999 Grand Am SS 3.4 OHV 
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#6
01-18-2009, 02:43 PM
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Re: engine light flashing and missfiring
My 2001, manual V4 with 105,000 just started doing this same thing today. I was driving on the road and I could feel the car begin to misfire. Then my Service Engine Soon & TRAC lights came on with the Service Engine Soon light flashing. I'm taking it to my mechanic tomorrow and I'll post what he did to fix it and the price.
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