2002 Ford ZX2(again) Short Term Fuel Trim and Long Term Fuel Trim trying to find a vacuum leak

This topic has 36 replies, 11 voices, and was last updated 12 years, 5 months ago by EricTheCarGuy.

Creator

Topic
June 22, 2012 at 11:00 am #459290
rice400
Participant
STFT is good but your
Creator

Topic

Viewing 15 replies - 1 through 15 (of 36 total)

1 2 3 →

Author

Replies
June 22, 2012 at 11:00 am #459295
rice400
Participant
I’m not sure what a
June 22, 2012 at 11:00 am #459296
nsman06
Participant
Heck maybe eric could?
June 22, 2012 at 11:00 am #459297
rice400
Participant
Yeah he will probably comment on here within a few days,
June 22, 2012 at 11:00 am #459298
spelunkerd
Participant
I’m not one of those really smart guys, but I know a few (grin). The best video that I’ve ever seen explaining the confusing topic of fuel trim and vacuum leak was done by Paul, on his youtube channel Scannerdanner._x000D_
_x000D_
_x000D_
http://youtu.be/RFQBa-nqBPo_x000D_
_x000D_
I’m
June 22, 2012 at 11:00 am #459299
rice400
Participant
Oh man I forgot all about this video,
June 22, 2012 at 11:00 am #459300
nsman06
Participant
Watching it now
June 22, 2012 at 11:00 am #459301
nsman06
Participant
Okay so i tried erics method minus the carb cleaner and sub in propane…. I can hear the SOB just cant seem to trigger it. Its to low for the length of vacuum hose i have…..
June 22, 2012 at 11:00 am #459302
rice400
Participant
do you have access to a
June 22, 2012 at 11:00 am #459303
Matt
Participant
I couldn’t manage to find a video that demonstrates this method much better, so here’s one from ol’ Scotty Kilmer…
June 22, 2012 at 11:00 am #459304
rice400
Participant
Excellent! Scotty Kilmer ftw!!!
June 22, 2012 at 11:00 am #459291
nsman06
Participant
LTFT was tested at 2000 rpm per fords TSB
June 22, 2012 at 11:00 am #459292
rice400
Participant
Ohh ok
June 22, 2012 at 11:00 am #459293
rice400
Participant
Actually i shouldve
June 22, 2012 at 11:00 am #459294
nsman06
Participant
Ya 19.5 LTFT at idle consistent
June 23, 2012 at 11:00 am #459305
college man
Moderator
You either have a vacuum leak or not enough fuel. try searching for vacuum_x000D_
leaks. use a spray bottle of water instead of carb spray. use the procedure in
Author

Replies

Viewing 15 replies - 1 through 15 (of 36 total)

1 2 3 →

You must be logged in to reply to this topic.

2002 Ford ZX2(again) Short Term Fuel Trim and Long Term Fuel Trim trying to find a vacuum leak

Navigation

Contact Us