2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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s4 t2 runs good at first, the runs lean in boost after warm up

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Old Apr 7, 2017 | 05:43 PM
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Unhappy s4 t2 runs good at first, the runs lean in boost after warm up

hey guys, I have a 88 t2, 3k on rebuild. car runs great. mods are rb turbo back exhaust , fuel pulsation damper delete, rats nest delete, fuel resistor delete, koyo rad, fuel cut defender. so I put the car away in November, started it up every now and then. I just recently brought the car out from hibernation, first drive went decent until about 20 miles into my drive the car started having "fuel cut" style symptoms. under partial throttle and 5psi of boost it doesn't lean out and detonate. under hard acceleration it leans out and starts detonating, fresh fuel as well. will starting testing sensors tomorrow, 4-8-17 . any ideas, im willing to try any ideas you guys have. thanks for reading , have a great day.

Last edited by davetheman; Apr 7, 2017 at 06:28 PM.
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