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what do this codes mean?

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Old Nov 28, 2008 | 11:11 PM
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Default what do this codes mean?

i posted a check engine light a few days ago and some one told me how to pull up the codes on the board and i did this is what i got
10 pcm 2-codes
10-pcm p0300h
10-pcm p1133hc
28-tcs c1276h
thanks in advance
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Old Nov 28, 2008 | 11:26 PM
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Look it up here.

P1133 Heated Oxygen Sensor (HO2S) Insufficient Switching Bank 1 Sensor 1
C1276 Delivered Torque Signal CKT Malfunction
P0300 Engine Misfire Detected
H=History and C-Current code.

Last edited by Mr.Bill; Nov 28, 2008 at 11:29 PM.
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Old Nov 29, 2008 | 12:12 AM
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Originally Posted by Bill K
Look it up here.

P1133 Heated Oxygen Sensor (HO2S) Insufficient Switching Bank 1 Sensor 1
C1276 Delivered Torque Signal CKT Malfunction
P0300 Engine Misfire Detected
H=History and C-Current code.
how do i fix it car runs fine sorry new with this thanks
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Old Nov 29, 2008 | 12:59 AM
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You can ignore the History codes, but you can track them to identify a possible intermittnat problem. I personally haven't seen a History and Current code pop up...

The 1133 indicates the Front Driver's Oxygen Sensor either was out of range or is getting flaky on you. Check it's wiring and connections for looseness, damage, corrosion ect. If all seems well replace it, it's easy enough to replace so I would replace both sides...

You should completely fill out your profile, especially info on your car when asking for help.
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Old Nov 29, 2008 | 01:04 AM
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Health warning; I'm no engine expert I just have the Shop Manual

The PCM monitors the HO2S sensors and sets the code when the switching cycle does not run correctly.

The diagnostic procedure is quite long but the first and simplest check is for an exhaust leak. I'd start there.

Next check is that the HO2S sensor is securely installed, check for corrosion on the sensor terminals, "terminal tension" at the sensors (whatever that is) and for damaged wiring on the circuit.

Is your engine/exhaust system stock? If not how recently did you have headers or exhaust work done?

Last edited by DeeGee; Nov 29, 2008 at 01:10 AM.
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Old Nov 29, 2008 | 10:55 AM
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Originally Posted by DeeGee
Health warning; I'm no engine expert I just have the Shop Manual

The PCM monitors the HO2S sensors and sets the code when the switching cycle does not run correctly.

The diagnostic procedure is quite long but the first and simplest check is for an exhaust leak. I'd start there.

Next check is that the HO2S sensor is securely installed, check for corrosion on the sensor terminals, "terminal tension" at the sensors (whatever that is) and for damaged wiring on the circuit.

Is your engine/exhaust system stock? If not how recently did you have headers or exhaust work done?
no its stock exhaust the ho2s sensors are in the h-pipe right
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Old Nov 29, 2008 | 03:30 PM
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2 of them behind the cats and 2 of them in front of the cats.:o
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