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vw gti 2001 1.8T , CHECK engine light on , computer reads : ...

Sent to Car Experts February 28, 2006 5:30 p.m.

vw gti 2001 1.8T , CHECK engine light on , computer reads : Bank 1 mixture adaptation too rich P 1127 , P 1137 ; computer also reads : connection charger - throttle valve pressure drop P 1297, what's the solution , parts to replace , how to replace it ?thanks

Optional Information:
2001 Volkswagen gti 1.8T, 180 HP

Already Tried:
nothing , just did a computer check

Customer (name blocked for privacy)

Status: Closed Value: $10

Answer
February 28, 2006 5:58 p.m. (28 minutes and 13 seconds later)

ACCEPTED

I think the P1297 is the key to your problem That code is set when a leak is detected in the intake system (usually the hoses claps,connections or boost gauge or a faulty PCV system) .

This will throw off the Mass air flow sensor readings causing the mixture to go rich.

So first check the intake system for leaks make sure the claps are torqued correctly and seated properly.

Edited by enginboy on February 28 2006 at 5:58pm

Marc -- Technician,Auto -- 98% Positive Feedback on 1017 Car Accepts
32 years exp. automotive repair NYS emisisions repair cert.

Reply
Sent February 28, 2006 11:13 p.m. (5 hours and 14 minutes later)

the car was checked for leaks around the hood , nothing was found ,in a couple days we will lift the car and check around the turbo, any more suggestions?thanks

Customer (name blocked for privacy)

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