p1249 code w/ a Overboost Annihilator
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Mountain Pass
Joined: Aug 2005
Posts: 212
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From: Brighton, CO
p1249 code w/ a Overboost Annihilator
i just got a p1249 but i have a Overboost Annihilator (regulator type). i have my red tube off the wastegate and on my intake clamp bolt.
is there something else that might throw this code? (assuming that my Overboost Annihilator is working correctly)
is there something else that might throw this code? (assuming that my Overboost Annihilator is working correctly)
Post Fiend
Joined: Feb 2006
Posts: 11,892
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From: Middle Tennessee
Have you just installed th OBA or has it been there a while? If so, something must have changed as it works right or doesn't. Usually it works. Did you fool with the ****? The wastegate tube should have zip to do with what the map sees. Give the full poop on what you have done recently and what are your actual boost numbers and is it a mechanical gauge?
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Mountain Pass
Joined: Aug 2005
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From: Brighton, CO
Originally Posted by Tenn01PSD350
Have you just installed th OBA or has it been there a while? If so, something must have changed as it works right or doesn't. Usually it works. Did you fool with the ****? The wastegate tube should have zip to do with what the map sees. Give the full poop on what you have done recently and what are your actual boost numbers and is it a mechanical gauge?
unfortunately no boost #'s as my gauge is out for repairs.
Originally Posted by amiller93
P1249 Wastegate Fail Steady State Test - doesn't have anything to do with boost or the OBA
Just a guess but I bet your red line is leaking.
Just a guess but I bet your red line is leaking.
Post Fiend
Joined: Feb 2006
Posts: 11,892
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From: Middle Tennessee
Originally Posted by amiller93
P1249 Wastegate Fail Steady State Test - doesn't have anything to do with boost or the OBA
Just a guess but I bet your red line is leaking.
Just a guess but I bet your red line is leaking.
FTE Sponsor
Joined: Feb 2006
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From: Phoenix, AZ
Alan,
I hate to differ with you, but P1249 IS the "Overboost" code. Per the Ford documentation:
DTC P1249 indicates that the PCM detected the turbo was overboosting.
Possible causes:
DTC P0238 indicates a turbo boost sensor (MAP) circuit high input.
Possible causes:
I hate to differ with you, but P1249 IS the "Overboost" code. Per the Ford documentation:
DTC P1249 indicates that the PCM detected the turbo was overboosting.
Possible causes:
- short to ground
- plugged WGC hose or port
- WGC solenoid
- WGC actuator
- WGC valve
- damaged PCM
DTC P0238 indicates a turbo boost sensor (MAP) circuit high input.
Possible causes:
- damaged MAP sensor
- MAP signal circuit short to power or VREF
- faulty PCM
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From: Phoenix, AZ
SBChero,
If you clear the codes and the P1249 returns, you may need to back the regulator adjustment off a bit. Assuming that this is my kit (rather presumptious I know) and assuming that the units adjustment has not already been changed, back the **** off about 1/16th of a turn at a time ultil the problem goes away. Needing to adjust my setup is rare. If you'd rather have me readjust it, feel free to send it back and I'll dial it back in.
If you clear the codes and the P1249 returns, you may need to back the regulator adjustment off a bit. Assuming that this is my kit (rather presumptious I know) and assuming that the units adjustment has not already been changed, back the **** off about 1/16th of a turn at a time ultil the problem goes away. Needing to adjust my setup is rare. If you'd rather have me readjust it, feel free to send it back and I'll dial it back in.
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Post Fiend
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From: Central, Al
True Dennis but with his red line disconnected the code will set because the PCM is seeing more boost than it is expecting for the given load since the PCM thinks it is opening the waistgate. Not nessicarily seeing over the 22psi the OBA regulates to. IE. MAP seeing 20 psi boost but reference tables predicting 14psi for the situation.
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From: Phoenix, AZ
Originally Posted by amiller93
True Dennis but with his red line disconnected the code will set because the PCM is seeing more boost than it is expecting for the given load since the PCM thinks it is opening the waistgate. Not nessicarily seeing over the 22psi the OBA regulates to. IE. MAP seeing 20 psi boost but reference tables predicting 14psi for the situation.
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From: Phoenix, AZ
Originally Posted by cbsword
haynes manual p1249= waste gate not detected.
There are only 2 ways for the PCM to see anything to do with the wastegate. One is by boost pressure (either high or low) via the MAP sensor. The other is simply detection of an "open" or "fault" on teh wastegate control solenoid circuit (electrical). The WGCS is a dumb device, it offers no feedback to the PCM about whether it's in the desired position.
BTW, the official Ford description of P1249 is "Wastegate Fail Steady State Test".
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Mountain Pass
Joined: Aug 2005
Posts: 212
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From: Brighton, CO
dennis, it is one of your setups, and if the code does come back ill try adjusting it. i figured that it might have got out of adjustment some how (i didnt intentiolally change it).
i try not to get ahead of my self and start bashing products if the problem is something that i might have done (which is why i didnt identify the brand).
ill also plug up the red tube better and see if i keep throwing codes.
i appreciate all the help.
i try not to get ahead of my self and start bashing products if the problem is something that i might have done (which is why i didnt identify the brand).
ill also plug up the red tube better and see if i keep throwing codes.
i appreciate all the help.
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