need code interpretation help
Thread Starter
AudiWorld Super User
Joined: Mar 2000
Posts: 8,069
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need code interpretation help
No CEL, but I pulled codes today (airbag light was on after wife adjusted seat...I can deal with that)
17748 - Camshaft Position Sensor (G40) / Engine Speed Sensor (G28): Incor. Correlation
P1340 - 35-10 - - - Intermittent
17536 - Fuel Trim; Bank 1 (Mult): System too Lean
P1128 - 35-10 - - - Intermittent
I cleared codes to see what comes back...I'll run tests on 17536
About 2 months ago, I had a CEL and 17536/P1128 code - replaced MAF, showed normal readings and CEL never came back.
Any thoughts on 17748?
17748/P1340/004928 - Camshaft Position Sensor (G40) / Engine Speed Sensor
(G28): Incor. Correlation
Possible Causes
Timing Belt/Chain incorrectly installed
Timing Chain probably lengthened
Camshaft Position Sensor (G40) faulty
Engine Speed Sensor (G28) faulty
Possible Solutions
Check Timing Belt/Chain installation
Use Measuring Value Blocks (MVB) to Check Timing Chain
Check/Replace Camshaft Position Sensor (G40)
Check/Replace Engine Speed Sensor (G28)
Timing belt was done @2 years ago...how do I use MVB to check timing belt?
17748 - Camshaft Position Sensor (G40) / Engine Speed Sensor (G28): Incor. Correlation
P1340 - 35-10 - - - Intermittent
17536 - Fuel Trim; Bank 1 (Mult): System too Lean
P1128 - 35-10 - - - Intermittent
I cleared codes to see what comes back...I'll run tests on 17536
About 2 months ago, I had a CEL and 17536/P1128 code - replaced MAF, showed normal readings and CEL never came back.
Any thoughts on 17748?
17748/P1340/004928 - Camshaft Position Sensor (G40) / Engine Speed Sensor
(G28): Incor. Correlation
Possible Causes
Timing Belt/Chain incorrectly installed
Timing Chain probably lengthened
Camshaft Position Sensor (G40) faulty
Engine Speed Sensor (G28) faulty
Possible Solutions
Check Timing Belt/Chain installation
Use Measuring Value Blocks (MVB) to Check Timing Chain
Check/Replace Camshaft Position Sensor (G40)
Check/Replace Engine Speed Sensor (G28)
Timing belt was done @2 years ago...how do I use MVB to check timing belt?
Thread Starter
AudiWorld Super User
Joined: Mar 2000
Posts: 8,069
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Now I'm thinking that these may be residual codes
I looked at my last set of codes @3 months ago when I replaced the MAF. I had the same exact 2 codes (but with a CEL).
I don't think I have pulled codes since then.
Wonder if these two were just lingering around.
I don't think I have pulled codes since then.
Wonder if these two were just lingering around.
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