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Author
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Topic: car is hesitating
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86- 50
TEAM PLATINUM
Member # 4723
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posted
 
 
Just got the car running finally, and on the way home if i would down shift it would start bogging at aroung 35-4000rpm's and up, but it started bogging somewhere different everytime, fuel pressure is set at 40, and i have a new pump in there. I dont didn't have a o2 harness on there cause i had the wrong one, the question is could that of been causing the problem. thanks
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My baby:88gt 347 stroker
RIP MATT, Gone but never forgotten
TEAM PLATINUM
Posts: 1796 | From: richmond | Registered: Jul 2004
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NO MANRZ
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Member # 566
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posted
O2 sensors are critical after your car warms up, unless the gas pedal is floored. Get the right O2 sensor harness on there and your problems should go away.
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Bring It . . .
Posts: 1938 | Registered: Nov 2001
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rocjunkie
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Member # 5826
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posted
It could also be a bad VSS (vehicle speed sensor) goes from your harness to the tranny.
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www.reallysickrigs.com
Posts: 36 | From: Reno | Registered: Jul 2005
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lxhatch5.0
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Member # 6319
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posted
O2 SENSORS BUDDY- TRY IT FIRST- IT IS THE CHEAPEST ROUTE- IM PRETTY SURE THATS IT- IF IT DOESN'T HELP LET US KNOW- ABOUT 6 MONTHS AGO MY CAR COUPE WAS RUNNING LIKE CRAP- I CHECKED EVERYTHING- AND NOTHING- IT FELT LIKE IT HAD NO POWER- I TOOK IT TO MY MECHANIC- I HAD ONE FRIED UP O2 SENSOR AND THE OTHER WASN'T THERE- GO FIGURE ![[Roll Eyes]](rolleyes.gif) - CHANGED THEM AND I FELT THE DIFFERENCE- ![[patriot]](graemlins/patriot.gif)
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*NorCal
Posts: 1556 | Registered: Dec 2005
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johnson50
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Member # 4608
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posted
MAF! if your mass air sensor is dirty, your car wont know how much fuel to put in so it screws everything up. that explains the 02 sensors, my car did the same thing. it was a dirty mass air meter.
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2003 10th anniv. cobra
2.3l gen2 Whipple
AED Tuned
HP/TQ: too much!
Posts: 256 | From: fairfield/suisun | Registered: Jun 2004
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86- 50
TEAM PLATINUM
Member # 4723
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posted
ok, put the o2 harness on there and no luck still have the problem, so I'm going to to clean the maf sensor, or just try a totally different one.
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My baby:88gt 347 stroker
RIP MATT, Gone but never forgotten
TEAM PLATINUM
Posts: 1796 | From: richmond | Registered: Jul 2004
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Blind
2.3L
CAFords OG
Member # 3052
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posted
did you unplug the battery for 15 minutes to reset it?
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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86- 50
TEAM PLATINUM
Member # 4723
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posted
yes, probably a little longer
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My baby:88gt 347 stroker
RIP MATT, Gone but never forgotten
TEAM PLATINUM
Posts: 1796 | From: richmond | Registered: Jul 2004
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phat50
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Member # 1998
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posted
hey jo im thinking dirty mass air flow meter or bad fuel pump or just running to rich.
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New toy coming soon!
Posts: 2860 | From: Richmond / Valley jo/ Petaluma | Registered: Oct 2002
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silverLX
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Member # 3207
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posted
I am pretty sure it is not too rich. My bet is on the MAF also.
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88LX hatch 410w
88LX vert gears, exhaust
95GT H/C/I
Posts: 1613 | From: Sonoma County | Registered: Aug 2003
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86- 50
TEAM PLATINUM
Member # 4723
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posted
checked the massair today and somehow the sensor probably before it got put on got alot of water in it, so i took it off and dryed it out best i could and tryed it again but still no luck, so I think the sensor is messed up so I'm going to get a whole new massair. Also if it's not that could it be the pump went bad, or to small for the 30's.
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My baby:88gt 347 stroker
RIP MATT, Gone but never forgotten
TEAM PLATINUM
Posts: 1796 | From: richmond | Registered: Jul 2004
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