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post #1 of 6 (permalink) Old 03-31-2010, 08:50 PM Thread Starter
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P1176, engine dying

hey guys,
01 beetle 1.8T likes to die randomly. Usually when coming to a hard stop and usually soon after startup. P1176 is for bank1 02 sensor. However I don't get much more description than that. This is off of VAGCOM. I graphed both sensors at idle and noticed the engine would sometimes drop idle and come back up at the same time the bank 1 sensor 1 would drop and come back up. Familiar with the coil recall. . . but don't think this is applicable. Also no codes for any missfires. So any thoughts? Thanks.
Tim
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post #2 of 6 (permalink) Old 04-01-2010, 12:26 PM
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Originally Posted by hiflyer746 View Post
hey guys,
01 beetle 1.8T likes to die randomly. Usually when coming to a hard stop and usually soon after startup. P1176 is for bank1 02 sensor. However I don't get much more description than that. This is off of VAGCOM. I graphed both sensors at idle and noticed the engine would sometimes drop idle and come back up at the same time the bank 1 sensor 1 would drop and come back up. Familiar with the coil recall. . . but don't think this is applicable. Also no codes for any missfires. So any thoughts? Thanks.
Tim
This might provide you with info on the P1176 code. Scroll down on this link and you will see another person who also had the P1176 code and a reply from a VW mechanic on the what/why/how of it.
got a p1176 code on my vw new beetle,what could ... - JustAnswer
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post #3 of 6 (permalink) Old 04-01-2010, 07:21 PM Thread Starter
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Well I tell ya these engines are finicky. The dealer replaced the mass air not too long ago on this car. I wonder why they are so prone to failure. This car had been dying for a long time before the 1176 actually came on. I'll be looking into cleaning the mass air and checking for leaks. Tips on cleaning the MAF? Can somebody describe the secondary air system for me? Thanks.
Tim
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post #4 of 6 (permalink) Old 04-01-2010, 09:35 PM
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The dying it is not realted to the code IMO, i told you in your OTHER thread that there was a TSB on the rear O2 sensor and the dying is a vac leak i think, spritz the hoses and look for a small leak, start with the y pipe on the driver front side of the intake manifold.


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post #5 of 6 (permalink) Old 04-03-2010, 01:51 PM Thread Starter
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Well as the tsb suggested. . . the flex pipe just off the turbo on the way to the cat is broken. The mesh has come apart on the downstream side and it apears to be leaking exhaust from there. Suggestions on where to buy the pipe? Price? Thanks. I'll be looking into the vacuum system for leaks. Thanks!
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post #6 of 6 (permalink) Old 04-03-2010, 01:52 PM Thread Starter
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Oh and what is the spritz you are referring to in relation to the hoses? Thanks
Timmy
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