hi ive got 4g93t when u boost it farts round like a bitch where do i start looking!
1ollie,
Oct 19, 5:11am
Spark plugs first check if they are ok and the gap is good, then check leads either check resistance with a decent volt meter or chuck some others on to try them, check coil pack or fuel pump maybe but its hard to say without seeing it in person.
weedude1,
Oct 19, 5:12am
could it be blow off valve!
aredwood,
Oct 19, 5:34am
Leaking intercooler pipe
n1smo_gtir,
Oct 19, 6:18pm
Is it like a flat spot when you boost to a certain rpm It just wouldn't go any harder! If so I have same issue with a twin turbo vr4.
usdefault,
Oct 19, 6:28pm
Distributor cap and rotor.
mugenb20b,
Oct 19, 6:33pm
On a 4G93.!
edangus,
Oct 19, 10:54pm
Internal Wastegate. Sludge Buildup!
snoopy221,
Oct 19, 11:12pm
boost boost boost- Give us some ENGLISH. (Actual boost figure) Most of the time with them they are hitting the boost cut at 15 P.S.I. Don't allow em to boost over that figure-.
miss-shortae,
Oct 19, 11:49pm
i had this problem as well, as it would hit boost at anything under 3000rpm, it would miss and fart and just carry on, anything over 3000rpm and it would run mint. what it is, is there is a sensor under the exhaust manifold, and that would have burnt out. replace that and its good as new.
1ollie,
Oct 20, 12:18am
They do not have them they run a CAS and have a coil block with an ignitor.
1ollie,
Oct 20, 12:19am
Interesting phenomenon!! If you have any form of sludge in your wastegate or turbo and your car still runs I will be seriously amazed! you don't mean carbon do you! either way that will not cause this problem
edangus,
Oct 20, 12:24am
You wouldn't think so aye. Did though. Mitsi guys were pulling their hair out. No fault codes, nothing. Then the head mech walks in and. done.
n1smo_gtir,
Oct 20, 2:01am
Mine does it at 4k rpm on 4th gear, but not 5th gear n not another other rpm.
carl,
Nov 21, 1:42am
gap your plugs to .6 and itl b fine
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