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I have a 05 sunfire 2.2 that is coding random misfire. Replaced
I have a 05 sunfire 2.2 that is coding random misfire. Replaced the coolant temp sensor( was telling ecm that it was -40) And replaced the control module. Under data stream, it show no misfires, but a… read more
Tim Mohr
Tim Mohr
SHOP OWNER
Master's Degree
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I'm having bad acceleration problems in my 2001 grand prix
I'm having bad acceleration problems in my 2001 grand prix gtp. I changed coil. Packs plugs and wires when I changed plug wires problem went away for maybe a week an now its back I get a random missfi… read more
Dave Nova
Dave Nova
Pontiac Technician
Associate Degree
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Pontiac Sunfire: scan tool problem code p..to the local garage
My Pontiac Sunfire 2003 has a scan tool problem code P 0301B according to the local garage. What is this?… read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
23,904 satisfied customers
1996 pontiac sunfire: my engine bay..running fine..running rough
I recently washed my engine bay on my 1996 pontiac sunfire with a 2.4 liter, the car was running fine before and I ran the car while washing with garden hose, now service engine light is flashing and … read more
Dave Nova
Dave Nova
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Associate Degree
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2003 Pontiac Sunfire: w/ 161k mi..problems w/ a check engine light
Hello. I have a 2003 Pontiac Sunfire w/ 161k mi. I've been having problems w/ a check engine light. I have my own diagnostic tool, the only code I am getting is "P0303 - Misfire on cylinder 3". I've r… read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
23,904 satisfied customers
2008 Pontiac Grand Prix: the spark plugs, O2 censor &..ignition coil
My 2008 Pontiac Grand Prix is idling rough with accelerates poorly. I've already changed the spark plugs, O2 censor & a cracke ignition coil. What could be the problem?… read more
Dave Nova
Dave Nova
Pontiac Technician
Associate Degree
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1999 pontiac sunfire: coil packs,ignition module,and crank sensor
my car won't get no fire. I have already replaced plugs,wires,coil packs,ignition module,and crank sensor,but still no fire? car is a 1999 pontiac sunfire 2.2L… read more
Dan
Dan
High School or GED
2,257 satisfied customers
99 pontiac sunfire: ignition module coil packs..removed injector rail
i have a 99 pontiac sunfire and it will not start. it is getting fuel and spark but nothing. replaced fuel filter plugs and wires ignition module coil packs and removed injector rail just to see if ca… read more
jazzmaster
jazzmaster
LEAD AUTO TECH
Vocational, Technical or Trade Scho
2,323 satisfied customers
2000 pontiac sunfire: crap in extremly cold weather..car warms..warmer
i have a 2000 pontiac sunfire gets a p300 code and runs like crap in extremly cold weather, minus ten celcius once the car warms up runs fine, also runs fine when temp is warmer say minus 2 celcius… read more
Amedee
Amedee
Automotive Consultant
Vocational, Technical or Trade Scho
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01 pontiac sunfire: cylinder..misfire..the plugs,wires,ignition coil
'01 pontiac sunfire cylinder 2 misfire. i changed the plugs,wires,ignition coil and the ignition control module but no change.can you help?… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,925 satisfied customers
2004 pontiac sunfire: rough idle..air filter..tps..the throttle body
i have a rough idle issue with my 2004 pontiac sunfire. i've replaced plugs, air filter and tps. i've pulled the IAC off the throttle body and cleaned it. but to no avail. the computer has thrown the … read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
23,904 satisfied customers
2002 pontiac sunfire, 2.4 manual tranny. with error code p0300.
i have a 2002 pontiac sunfire, 2.4 manual tranny. with error code p0300. says random misfire… read more
Amedee
Amedee
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Vocational, Technical or Trade Scho
19,512 satisfied customers
2002 pontiac grand am se: liter..cylinder misfire..the spark plugs
I have a 2002 pontiac grand am se with the four cylinder 2.2 liter eco tec engine. The problem i am having in a mutipule cylinder misfire but i replaced the spark plugs and set the gap like four times… read more
ZZDaryl
ZZDaryl
Lead Auto Tech
Some college and advanced training
11,465 satisfied customers
1997 Pontiac sunfire: missfire..spark plugs..coils..rough idle
I have a 1997 Pontiac sunfire and I am having a random missfire code, I have already change the spark plugs, both coils and wires, still have a rough idle and code is still there for random miss fire.… read more
Wicked Wrench
Wicked Wrench
Automotive Technology Instructor
Associate Degree
458 satisfied customers
1996 pontiac sunfire: misfire..coil packs..cam..cylinders
1996 pontiac sunfire 2.2 first wont pass california smog, misfire in #2 cylinder. changed spark plug, spark plug wire, coil packs, ignition control module, compression test 125lbs, compression test le… read more
BigBob
BigBob
Service Manager
High School or GED
4,792 satisfied customers
1993 Pontiac bonneville le: feul..ignition module..car is misfiring
1993 Pontiac bonniville se feul pump and ignition module changed now car is misfiring more at idle.… read more
Chuckoly
Chuckoly
Director of Diagnosic & Technical Suppor
Associate Degree
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1998 PONTIAC SUNFIRE: SURGING..MISS FIRE..COIL PACK..IGNITION MODULE
1998 PONTIAC SUNFIRE EXPERIENCING SURGING AND MISS FIRE AT IDLE HAVE REPLACED COILS, POINTS, POINT HOUSING AND COIL HOUSING , COIL PACK, IGNITION MODULE THAT TESTED BAD. WHAT ELSE IS THERE OR WHAT NEX… read more
GM Tech (Cam)
GM Tech (Cam)
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Vocational, Technical or Trade Scho
2,403 satisfied customers
2004 2.2 ecotec misfire 2&3 swapped injectors #1 with#2 .#
2004 2.2 ecotec misfire 2&3 swapped injectors #1 with#2 .# XXXXX no miefire #2 .still misfire suspect coil pack. need scematic on coil pack resistance values. how do i check out coil pack indivi… read more
Mr_Wrench
Mr_Wrench
GM auto Tech.
Vocational, Technical or Trade Scho
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Meet the Experts:

GM Tech (Cam)

GM Tech (Cam)

Pontiac Technician

2,403 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Dave Nova

Dave Nova

Pontiac Technician

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ASE Master Certification. GM World Class Certification

Gary

Gary

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1,463 satisfied customers

15 years GM master tech/15 years ASE master

Ron Z.

Ron Z.

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778 satisfied customers

18+yrs experience. State Inspector and Pontiac Diagnostics

Don - Mo Lurch

Don - Mo Lurch

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558 satisfied customers

GM, Chevrolet Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics.

John

John

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514 satisfied customers

ASE A1-A8 w/L1 GM master technician.Factory certified/40 years experience

car tech

car tech

ASE Certified Technician

446 satisfied customers

25 years master tech and shop owner

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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