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Old Sep 2, 2016 | 12:14 AM
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Default Couple of code questions

Pulled codes because of check engine light. All of the codes had an H after them except 1 that had an H and a C. H is history, so would this be history and current?

It was B0361 H C

What is the code for the gas cap?

Thanks
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Old Sep 2, 2016 | 12:31 AM
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That code is for the HVAC Left Actuator it indicates that the Feedback circuit is Shorted to GND. This will not set a check engine light.

Post up your other codes along with the H or C suffix.
As long as a code is in history that can set a check engine light it will remain lighted. There are some codes that will clear when the engine is turned off. Before shutting the engine off capture all of the codes.
Here are codes that could relate to the gas cap:

P0440 Evaporative Emission (EVAP) System PCM Engine Controls
P0442 Evaporative Emission (EVAP) System Small Leak Detected PCM Engine Controls
P0443 Evaporative Emission (EVAP) Purge Solenoid Control Circuit PCM Engine Controls
P0446 Evaporative Emission (EVAP) Vent System Performance PCM Engine Controls
P0449 Evaporative Emission (EVAP) Vent Solenoid Control Circuit PCM Engine Controls
P0452 Fuel Tank Pressure Sensor Circuit Low Voltage PCM Engine Controls
P0453 Fuel Tank Pressure Sensor Circuit High Voltage PCM Engine Controls
P0461 Fuel Level Sensor Performance (See FFS note Below) PCM, IPC Gages, and Console
P0462 Fuel Level Sensor Circuit Low Voltage PCM, IPC Gages, and Console
P0463 Fuel Level Sensor Circuit High Voltage PCM, IPC Gages, and Console

PM me your email and I will send you the list of DTC that I have.

Gary

Last edited by SilverC54me; Sep 2, 2016 at 12:38 AM.
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Old Sep 2, 2016 | 02:47 AM
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P0101 H
P0141 H
B0516 H
B2282 H
B2284 H
V1064 H
B2283 H
B2287 H
B2285 H

Check engine light just came on today.

I haven't cleared any codes in this car in a couple of years.

Last edited by Big Jay E; Sep 2, 2016 at 02:49 AM.
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Old Sep 2, 2016 | 12:29 PM
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Originally Posted by 8VETTE7
Either of the two codes above in BLUE can set the CEL.

The other codes are related to a battery issue. Typically either a weak or bad battery or the battery cables being disconnected/reconnected. Could be from long ago if the battery is known good.

I suggest that you clear ALL the codes since that has not been done recently. Then drive the car for a bit and if the CEL comes on pull over and pull codes BEFORE you shut off the engine. Codes that return after being cleared are the ones that need to be addressed.

The MAF code may well be due to a dirty MAF screen. If you have not cleaned the MAF recently you might pickup some MAF cleaner, pull the MAF off and use the spray cleaner to get rid of any dirt/gunk on the MAF.

I would not be too concerned about the O2 sensor at this point but if that code returns after clearing it, it may need to be addressed.
DAMN NICE JOB explaining how its done! EXCELLENT Info and recommendations!

BC
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Old Sep 4, 2016 | 12:57 AM
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Thanks everyone for the help. I will be bookmarking this page.

I tightened the cas cap as tight as I could and after about four heat cycles, the CEL went out and stayed out.
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