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questions (with vag-com log)

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Old 09-01-2009, 05:30 PM
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DZA
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Default coolant temp sensor symptoms (and misfire questions)

From reading oodles of posts, I would assume ignition coils b/c of the misfire fault codes (and b/c the car rides rough... shakes, goes no where if i floor it then kicks in, bogs down).

1) What are the symptoms of a bad coolant temp sensor? My guage always reads just a hair past the mid point. Could it affect the rough ride?

2) What are the chances its my air flow meter and not the ignition coils? I had another car that felt like this when the MAF went bad.

3) Should I wait to drive the car until I replace the coolant temp sensor? Or, is it good to drive if i replace the coils (assuming the coils is the cause of the rough ride).

4) Correct me if I'm wrong: 01274 - Air Flow Flap Positioning Motor (V71) would cause zero driving problems. As in, the rough ride has nothing to do with HVAC?

Thanks,

Short back story and codes below:

My car has had the misfire shakes for a while so I bought a vag com. It's my first run on the non-shareware version so I'm not sure on a few things. On the shareware, the misfires were intermittent. The CEL stayed on the last time I drove it (instead of blinking like it does).

Auto-scan log:

--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


Chassis Type: 8E - Audi A4 B6/B7
Scan: 01 02 03 08 09 0F 11 15 16 17 18 36 37 45 46 55 56 57 65 67
69 75 76 77

VIN: - Mileage: 141490km/87917miles
-------------------------------------------------------------------------------
Address 01: Engine Labels: 06C-909-559-ASN.lbl
Part No SW: 8E0 909 559 E HW: 8E0 909 059
Component: 3.0L V6/5V G 0001
Coding: 0016711
Shop #: WSC 63351 000 00000

4 Faults Found:
19497 - Powertrain Databus: Implausible Engine Temp. Message from Inst. Panel
P3041 - 004 - No Signal/Communication - Intermittent
16684 - Random/Multiple Cylinder Misfire Detected
P0300 - 001 - Upper Limit Exceeded - MIL ON
16690 - Cylinder 6: Misfire Detected
P0306 - 001 - Upper Limit Exceeded - MIL ON
16687 - Cylinder 3: Misfire Detected
P0303 - 001 - Upper Limit Exceeded - MIL ON
Readiness: 0000 0000

-------------------------------------------------------------------------------
Address 08: Auto HVAC Labels: 8E0-820-043.lbl
Part No: 8E0 820 043 L
Component: A4 Klimaautomat 1016
Coding: 00000
Shop #: WSC 63351

1 Fault Found:
01274 - Air Flow Flap Positioning Motor (V71)
41-10 - Blocked or No Voltage - Intermittent

-------------------------------------------------------------------------------
Address 17: Instruments Labels: 8E0-920-9xx-8E2.lbl
Part No: 8E0 920 950 L
Component: KOMBI+WEGFAHRS. RB4 D35
Coding: 03200
Shop #: WSC 09416
WAULT68E83A145192 AUZ6Z0B0191290

1 Fault Found:
01039 - Coolant Temperature Sensor (G2)
30-10 - Open or Short to Plus - Intermittent
 

Last edited by DZA; 09-02-2009 at 11:25 AM. Reason: new info
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