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While removing the transmission on a 2007 GMC Acadia, the
While removing the transmission on a 2007 GMC Acadia, the wires from Oxygen Sensor from Bank 2 Sensor 2 were pulled out. I'm trying to figure out which wire was connect from sensor to harness. Sensor … read more
Chris (aka-Moose)
Chris (aka-Moose)
GMC Technician
Vocational, Technical or Trade School
675 satisfied customers
I had my check engine light read and they told me it was my
I had my check engine light read and they told me it was my o2 downstream censor. I replaced it but light it still on. Its an 06 pt cruiser.… read more
Chad Farhat
Chad Farhat
Owner
Associate Degree
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2000 Jimmy 4.3 Starts, idles a bit rough, not bad. any
2000 Jimmy 4.3 Starts, idles a bit rough, not bad. any attempt to accelerate the engine bucks misfires, almost stalls...the scanner reads rich/lean at idle on both o2 sensors but when throttle is put … read more
David Craig
David Craig
OWNER/MECHANIC
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PO 300 and PO101 codes. 2007 Envoy Denali with 5.3// Seafoam
Seafoam in tank now, and seafoamed top end , prior to this I has inefficient Bank two, but now yesterday I got a 171 … read more
sprinkles08
sprinkles08
Technician
High School or GED
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Re: 2004 GMC Yukon Denali I am replacing a O2 oxygen sensor
Re: 2004 GMC Yukon Denali I am replacing a O2 oxygen sensor and I need to wire the new sensor to the existing wiring. My problem is the wire colors don't match up and I can't seem to find the informat… read more
kalamykid
kalamykid
Pactor automotive
Vocational, Technical or Trade Scho
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I have a 2004 gmc envoy .i get p0410 p0420, i went
i have a 2004 gmc envoy .i get p0410 p0420, i went underneath and pulled the hoses from the secondary air pump tp see if it was worhing , after testing that i put the hoses back on and the c odes stay… read more
Dave Nova
Dave Nova
GMC Technician
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GMC Jimmy 4x4 (Mid Size): 01 gmc jimmy 4.3 im haven trouble
01 gmc jimmy 4.3 im haven trouble with the vehicle not going over 40 or 50 mph when i reach that speed i push on gas and it wont go it kinda reves up but just dont go i am stumped because no codes ,no… read more
jazzmaster
jazzmaster
LEAD AUTO TECH
Vocational, Technical or Trade Scho
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gmc sle truck: I have a 1998 gmc sle 5.7l vortex engine with
I have a 1998 gmc sle 5.7l vortex engine with 110,000 miles. Run great until I accurate heavy. If I accurate slowly it seams to not stumble as much.… read more
Chris (aka-Moose)
Chris (aka-Moose)
GMC Technician
Vocational, Technical or Trade School
675 satisfied customers
GMC: I have a 2000 Chev S10 pickup with the 2.2L 4 cyl. The
I have a 2000 Chev S10 pickup with the 2.2L 4 cyl. The service engine light came on so I hooked up the code reader and it spit out a PO141 trouble code. So I replaced both 02 sensors just to be safe. … read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC C3500 HD Chas/Cab: hello . I am working on a 1996 3500
hello . I am working on a 1996 3500 with a 5.7 in it. I bought this truck with a blown engine. the engine was beyond repair so I installed a salvage engine that I rebuilt the bottom end on. it is miss… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC Sierra 1500 Classic SL: My check engine light is on and
My check engine light is on and the codes are reading as P0060 and P0054. What do these codes mean?… read more
Anthony
Anthony
Master Automobile Technician
Vocational, Technical or Trade Scho
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GMC 1500 Series: I am getting a couple of O2 sensor codes,
I am getting a couple of O2 sensor codes, one for bank 1 sensor 1 and the other for bank 2 sensor 2. Don't know which side of the engine, upstream or down stream from the cat? Thanks, Derek… read more
George H.
George H.
ASE MasterTechnician
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GMC Yukon: i have a 1998 Yukon 5.7 code R. Magnaflow high
i have a 1998 Yukon 5.7 code R. Magnaflow high flow cats, 4 new 02 sensors 6 weeks ago, Code P0402 is coming up with the engine light on. researching codes and their sub catagories is somewhat confusi… read more
Dave Nova
Dave Nova
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Associate Degree
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GMC 1500 Van: 96 GMC Van Fault codes P0137 & P0300 present.
'96 GMC Van Fault codes P0137 & P0300 present. Has misfire when engine is up to normal operating temperature. Service engine soon light flashing when misfiring. I've replaced the distributor cap & rot… read more
Gary
Gary
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Vocational, Technical or Trade Scho
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GMC Yukon SLT: I have a 1999 GMC Yukon SLT. The engine ran
I have a 1999 GMC Yukon SLT. The engine ran smooth with no bad noises, but it needed an intake manifold and valve cover gasket job. I performed the job very well and then proceeded to adjust the engin… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,831 satisfied customers
hello i have codes p0141 p0140 and p0147 coming up on a 97 jimmy. The truck wants to cut o
hello i have codes p0141 p0140 and p0147 coming up on a 97 jimmy. The truck wants to cut out if i press down on the gas pedal hard as if I'm trying to get on an on ramp or pass a vehicle. If i continu… read more
Pete
Pete
GMC Mechanic
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GMC Suburban K1500 4x4: I have a 1998 GMC Suburrban. I am
I have a 1998 GMC Suburrban. I am getting a DTC Code P0140 O2 circuit No Activity detected (Bank 1 Sensor 2). After some research I thought I determined that this is the bank that runs off the drivers… read more
Don Knight
Don Knight
Shop Manager/Technican
Associate Degree
1,471 satisfied customers
GMC Workhorse chassis: This is a motorhome with the 8100 GM
This is a motorhome with the 8100 GM engine in it. The right bank has a bad miss in it. I have replaced the spark plugs and cleaned the fuel injectors to no avail. I hope there is not a valve or ring … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,831 satisfied customers
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Meet the Experts:

Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

1,831 satisfied customers

GM Grand Master Technician 2007. 14 year experience.

Gary

Gary

ASE Certified Technician

1,589 satisfied customers

GCM master tech over 25 years

Dave Nova

Dave Nova

GMC Technician

929 satisfied customers

ASE Master Certification. GM World Class Certification

Chris (aka-Moose)

Chris (aka-Moose)

GMC Technician

675 satisfied customers

16 years of experience

Ron Z.

Ron Z.

- GMC Tech -

285 satisfied customers

18+yrs experience. State Inspector & GMC Diagnostics/Repair

JFN1

JFN1

ASE Certified Technician

272 satisfied customers

GM Master Technician

George H.

George H.

ASE MasterTechnician

230 satisfied customers

15+ Years ASE Master Technician with Level 1 Certification

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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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