Hello Bryan

Got a little side tracked with the fuel trims going high and low when the evap solenoid was being controlled by the ECU

Took your advice and put a new BOSCH MAF on it

And you were spot on... THANKS!

with the new MAF sensor fitted the Fuel trims were similar when the evap was being controlled.

but now was able to complete and pass an OBD drive cycle in only a couple of miles

Thanks for your help most appreciated as i think i was going to go off in a time wasting excersise chasing N.F.F with the EVAP system

Terry Wood


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Thursday,12,August,2010,11:31:49:23728
VCDS Version: Release 10.6.0
Data version: 20100630

Mode 01 - PID 01 : Readiness -- Address 10

Number of DTCs stored: 0 -- MIL Status: MIL OFF
Misfire monitoring: Passed
Fuel System: Passed
Comprehensive Components: Passed
Catalyst monitoring: Passed
Heated catalyst monitoring: Not installed.
Evaporative system monitoring: Passed
Secondary air system monitoring: Passed
A/C system refrigerant monitoring: Not installed.
Oxygen sensor monitoring: Passed
Oxygen sensor heater monitoring: Passed
Exhaust Gas Recirculation: Not installed.


Mode 03: Emission related fault codes

Address 10 (Engine): No fault code found.


Mode 07: Pending emission related fault codes

No fault code found.

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