Help with Deciphering Codes
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1st Gear
Joined: Sep 2010
Posts: 2
Help with Deciphering Codes
My check engine light lit up recently. The codes are 17965, 17544, 16825, 16684, 16687, 16688.
I changed the valve check valve for purge system at the air box; replaced the crankshaft vent breather hose assemblies; pcv valve; unions and vacumn line.
It ran for 30 miles and I got another check engine light. Any idea what I should look at next? I could use some advise!
DEBlueHen
1999 A4 1.8T Quattro
I changed the valve check valve for purge system at the air box; replaced the crankshaft vent breather hose assemblies; pcv valve; unions and vacumn line.
It ran for 30 miles and I got another check engine light. Any idea what I should look at next? I could use some advise!
DEBlueHen
1999 A4 1.8T Quattro
2nd Gear
Joined: Apr 2009
Posts: 675
From: Des Moines, IA
Check your MAF, it could cause your problem...disconnect it, if the maf is reading to high it will indicate a boost leak and cause your code.
If you have a registered VAGCOM log the engine measurement blocks that show airflow and boost during an acceleration run to see what is happening when the code is logged.
If you have a registered VAGCOM log the engine measurement blocks that show airflow and boost during an acceleration run to see what is happening when the code is logged.
1st Gear
Joined: Apr 2010
Posts: 7
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