numlock666
15+ Year Contributor
- 277
- 3
- Sep 27, 2005
-
Long Beach,
California
The Car:
Updated in profile:
95' TSI with 6Bolt, 16G, Stock Fuel System, GM MAF + MAFT.
Basicly it ran great for the last 7 months minus suspension issues.
Last saturday I was at a meet in Chino Hills, car drove out there fine and as I decide to go home, the timing belt jumped 3 teeth on the intake cam. Did a miraclel job there and got it to jump back 3 teeth. Fired right up and drove home. I noticed it felt lacking so I ran a Compression test and cylinder #2 registered 90psi. and 1,3,4 was in the 150's. So Thursday, took the head off, dissasembled it, took it in and got the valves changed out, seals recut and everything checked, slapped it back on with a new HG, already had the ARP's. Re-did timing and got the tension perfect this time because I have the tool now. Car fires up first try, all in one day =). Today Just did a compression test and I'm getting 155 153 150 157 #1-4 so all is good.
Heres the problem, I'm running rediculously rich, the O2 pegs 1.02v HAHA! It stutters, bogs, misses bad. The O2 still cycles though and if I gas it up slowly it cylcles normally but up until around 3K it starts to go up into the .9v's.
Things I've eliminated:
NOT BOOST LEAK. Why? Im running a dummy turbo, no boost at all because Im having the 16G rebuilt. Also running a blow through and everything is metered right before the TB. Checked the fuel return line, all looks good, no kinks or frays. I have the vac line from the mani to the FPR directly. Plugged in a logger to check for codes, none at all.
Things I'm going to check today:
TPS- mine is kinda ghetto rigged and I remeber when I had it on backwards after finishing the 6bolt swap I was getting this same scenario. O2 sensor - Kinda old, was chewed up by the 14B when the turbine wheel and compressor wheel seperated Haha. Clean out the MAF. Also, the FPR soon as I get a chance to borrow one from a friend.
Im sorta leaning towards the TPS because 1, It happend before, and 2 what I mean by ghetto rigged, I was fixing the shafts seals and was putting it all backtogether, dropped it, broke the TPS's male connector off. Soldered it back together and superglued the casing HAHA. But in the process of removing the fuel rail, #4 injecter popped off and it sprayed fuel on the TPS and some of the cover is missing =(
Updated in profile:
95' TSI with 6Bolt, 16G, Stock Fuel System, GM MAF + MAFT.
Basicly it ran great for the last 7 months minus suspension issues.
Last saturday I was at a meet in Chino Hills, car drove out there fine and as I decide to go home, the timing belt jumped 3 teeth on the intake cam. Did a miraclel job there and got it to jump back 3 teeth. Fired right up and drove home. I noticed it felt lacking so I ran a Compression test and cylinder #2 registered 90psi. and 1,3,4 was in the 150's. So Thursday, took the head off, dissasembled it, took it in and got the valves changed out, seals recut and everything checked, slapped it back on with a new HG, already had the ARP's. Re-did timing and got the tension perfect this time because I have the tool now. Car fires up first try, all in one day =). Today Just did a compression test and I'm getting 155 153 150 157 #1-4 so all is good.
Heres the problem, I'm running rediculously rich, the O2 pegs 1.02v HAHA! It stutters, bogs, misses bad. The O2 still cycles though and if I gas it up slowly it cylcles normally but up until around 3K it starts to go up into the .9v's.
Things I've eliminated:
NOT BOOST LEAK. Why? Im running a dummy turbo, no boost at all because Im having the 16G rebuilt. Also running a blow through and everything is metered right before the TB. Checked the fuel return line, all looks good, no kinks or frays. I have the vac line from the mani to the FPR directly. Plugged in a logger to check for codes, none at all.
Things I'm going to check today:
TPS- mine is kinda ghetto rigged and I remeber when I had it on backwards after finishing the 6bolt swap I was getting this same scenario. O2 sensor - Kinda old, was chewed up by the 14B when the turbine wheel and compressor wheel seperated Haha. Clean out the MAF. Also, the FPR soon as I get a chance to borrow one from a friend.
Im sorta leaning towards the TPS because 1, It happend before, and 2 what I mean by ghetto rigged, I was fixing the shafts seals and was putting it all backtogether, dropped it, broke the TPS's male connector off. Soldered it back together and superglued the casing HAHA. But in the process of removing the fuel rail, #4 injecter popped off and it sprayed fuel on the TPS and some of the cover is missing =(
