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View Full Version : rb25det s1 wont rev over 3k starts bogging and keeps shutting off

ka-t_180sx
10-09-2009, 11:41 AM
need help asap....car misfiring like crazy, cant even rev above 3k starts bogging and turns off at idle ......thanks
Insanity240
10-09-2009, 12:08 PM
clean ur maf and disconnect your battery and reconnect it after about 5 mins try that first
ka-t_180sx
10-09-2009, 12:14 PM
ill try that tonite after work...thanks
Insanity240
10-09-2009, 12:21 PM
get maf cleaner n not throttle body cleaner btw lol.
ka-t_180sx
10-09-2009, 12:55 PM
where jsxrjordan????
MELLO*SOS
10-09-2009, 01:07 PM
Most likely MAF related, because you mentioned a 3000rpm barrier... Do as above, if that doesn't fix it, test continuity between all your MAF wires from the ECU connector back to the MAF connector to be sure there are no shorts.

Don't forget to check out the basics, it's never a bad idea to do a boost/vac leak check with a leakdown tester or DIY pressure tester! I think I have a write up somewhere here on that topic, search my name for more info.
yokotavia
10-09-2009, 01:08 PM
jesus...no search man?

clean your maf, check maf wiring/connector, after that possibly is a bad maf, so it will need to be changed with a good one
eh?
10-09-2009, 03:07 PM
wiring wiring wiring