Three warning lights again
Thread Starter
Audiworld Junior Member
Joined: Oct 2008
Posts: 70
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Three warning lights again
It's being sometime since I get an ABS, Suspension waning light and ESL warning when I reach highway speeds,the lights come on immediately after I feel a brief engine hesitation.My vagcom readings after this event are 17521 Oxygen(Lambda)sensor internal resistance too high---intermittent. 17965Charge pressure control
ositive deviation. 16487 MAF.signal too high intermittent.
I have changed to a new MAF and I still get same warning signals.Many here in the forum have indicated that the three warning lights come on because a faulty brake switch but what it isn't reported is if at the same time the engine seems to lose a slight amount of power in an on-off fashion.
ositive deviation. 16487 MAF.signal too high intermittent.I have changed to a new MAF and I still get same warning signals.Many here in the forum have indicated that the three warning lights come on because a faulty brake switch but what it isn't reported is if at the same time the engine seems to lose a slight amount of power in an on-off fashion.
AudiWorld Senior Member
Joined: Nov 2005
Posts: 882
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The first time I got the 3 lights I read about the brake light switch and just ignored it for a couple months. I did notice a little bit of engine power loss, I believe it was due to the computer thinking that the brake was being depressed so the two were in conflict.
I would say just go to the dealer and get the switch and see if that works. It's an easy DIY and only costs about $6.
I would say just go to the dealer and get the switch and see if that works. It's an easy DIY and only costs about $6.
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