Mutiple short to grounds problems...4.2 FSI
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Mutiple short to grounds problems...4.2 FSI
[size=13px]Hi all,[/size]
Hopefully you can help me figure out my Gremlins :-)I recently bought my '06 Audi A6 C6 4.2 FSI. Great Car runs fine, most of the time.... Occasionally when I start the car it cranks longer and runs very rough. Sometimes with EML, sometimes without. When the EML doesn't blink I start again and the car runs fine. I've scanned the car and abstracted following codes;
P3090 HPFP
P0458 EVAP Emission System Purge Valve Circuit Low
P1067 Intake manifold air control solenoid, short to ground
P1435 Secundary Air Injection Relay Circuit short to ground
P1576 engine mounting control solenoid Bank 1 Short Circuit
P1572Left engine mount solenoid valve short to ground
P0102 MAF air flow low input
P129B Fuel pressure regulator valve Faultr
P1653 ABS module error.
When I delete all the faults they stay away till the next time the car cranks long. The P3090 is more often there.
I've replaced the MAF and Purge valve. I cant see any waterdamage.
The battery;
When it cranks; 9.12 Volts
When the car is turned off; 12,30 volts
When running; 14,19 volts
Would be great if you can point me in the right direction.
Thnx in advance,
Eric (The Netherlands)
AudiWorld Super User
Joined: Jan 2003
Posts: 6,995
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From: Lake Tapps, WA
I believe that a standard 12V car battery that is fully charged and still good should be higher that 9.12V when starting. That low voltage indicates a weak battery. How old is the battery?
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