TII swap starting problem
The problem
The car does not want to start, and when it does finally start, it backfires, runs really rough and as soon as u let off the gas, it dies. The project 89 GXL with an S5 TII swap, running the TII tranny with the mazda trix driveshaft. What Ive done Just put in an 89 TII motor from a front clip, I am using the J-spec harness, I took the rat's nest out and put block off plates, the car has a walbro 255, 3 inch down pipe, FCD, koyo radiator with electric fan, greddy rs BOV kit, new NGK plugs, new 7mm wires What I know so far that im getting fuel to the fuel rail that im getting spark on leading and trailing that i have good compression over 100 psi on both front and rear that the timing is right |
vacuum lines and piping all kosher? sounds like a air leak somewhere maybe?
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I put vacuum caps on all but he MAP, fuel pressure return and BOV
Everything else was capped and I didn't hear any large vacuum leaks while running |
could a leak between the uper and lower manfold cause this much of a problem, their is no visibly gap between the two but the j speck harness does push up on the uper and i didn't use a new gasket.
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Brake booster line connected to the back of the intake?
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break booster is hooked up
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their is a relay or something attached to the TII ecu that the NA one did not have does anyone know what this does?
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update
its not the wireing harness its not tps its not MAF any one have an idea im running out |
i installed the knight sport chip and it is running good now
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