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Car Starting Problem

5ky

By 5ky,
in Engines & Forced Induction

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5ky Proficient

5ky

Posted
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hey guys, i got my motor replaced, and then it been running fine for a few days, until then, when it hits full boost, car would jerk and then stall, after it stalls, it wont crank over again, car just wouldnt start, its a 50/50 chance it would start up again, i have tested and swaped coils, change spark plugs, tested injectors to be ticking, checked afm, and pulled out the fuel hose, and seeing if any fuel was coming out, and it did, so fuel pump is all good, compression tested motor, it was good, car is a 93 r33 gtst and i replaced it with a 95 motor, I also changed the ecu to a 95 model ecu, but still no luck.......... i have checked all piping to see anything loose, but everything seems fine? what could be the problem? am i missing out on something?

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700HP-GTR33 Mentor

700HP-GTR33

Posted
Posted
hey guys, i got my motor replaced, and then it been running fine for a few days, until then, when it hits full boost, car would jerk and then stall, after it stalls, it wont crank over again, car just wouldnt start, its a 50/50 chance it would start up again, i have tested and swaped coils, change spark plugs, tested injectors to be ticking, checked afm, and pulled out the fuel hose, and seeing if any fuel was coming out, and it did, so fuel pump is all good, compression tested motor, it was good, car is a 93 r33 gtst and i replaced it with a 95 motor, I also changed the ecu to a 95 model ecu, but still no luck.......... i have checked all piping to see anything loose, but everything seems fine? what could be the problem? am i missing out on something?

Tune....?If not re-set computer then get it tuned later.

There is a section on this Forum to do this.

Cheers

The Dan Grand Master

The Dan

Posted
Posted
hey guys, i got my motor replaced, and then it been running fine for a few days, until then, when it hits full boost, car would jerk and then stall, after it stalls, it wont crank over again, car just wouldnt start, its a 50/50 chance it would start up again, i have tested and swaped coils, change spark plugs, tested injectors to be ticking, checked afm, and pulled out the fuel hose, and seeing if any fuel was coming out, and it did, so fuel pump is all good, compression tested motor, it was good, car is a 93 r33 gtst and i replaced it with a 95 motor, I also changed the ecu to a 95 model ecu, but still no luck.......... i have checked all piping to see anything loose, but everything seems fine? what could be the problem? am i missing out on something?

Just because fuel comes out, doesn't mean it is ok. Check to make sure you have the correct pressure and flow. Until you test these, you cannot assume your fuel pump is still ok. Your problem sounds fuel related.

r33_racer Grand Master

r33_racer

Posted
Posted

Whats full boost mate?

std ecu R&R maybe? But that wouldnt explain the not starting again. As elite 32 said it does sound like a fuel problem, more so lack of up high.

So you changed motor, loom and ecu or are all r33 looms the same from a series 1 and series 1.5?

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