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post #1 of 2 Old 05-09-2012, 04:04 PM Thread Starter
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I was making my weekly 200 mile trip home from work. And notice the fuel gauge was going down quicker than normal. I dont know what made me check my codes on the CTS but P0148 came up. Something about fuel delivery problem. What is this. Is this something I should e concerned about. Fuel Pressure is good about 62-65. Any suggestions I could use the help. Thanks

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post #2 of 2 Old 05-09-2012, 09:12 PM
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Possible causes:
Fuel quality
Crankshaft position (CKP) or camshaft position (CMP) signal noise
Retrieve and record all engine and transmission DTCs.
Is DTC P0148 present?
CARRY OUT a drive cycle. REFER to Section 2 .

REFLASH the PCM. If DTC P0148 is present again, INSTALL a new PCM.

I would start by checking the voltage on the FICM. Ether it or the PCM is going bad or you have crap fuel would be my guess. If your FICM test good wait till you fill up again to replace the PCM.

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Last edited by WarChild; 05-09-2012 at 09:18 PM.
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