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89 dodge fuel injection problem #1330803
11/04/12 08:06 PM
11/04/12 08:06 PM
Joined: Mar 2006
Posts: 1,408
northeast ohio
H
hulmule Offline OP
pro stock
hulmule  Offline OP
pro stock
H

Joined: Mar 2006
Posts: 1,408
northeast ohio
looking at dodge truck with a fuel injection. guys says sometime it runs good and then it runs bad and runs rich. replaced alot of stuff. what goes bad in them.


1969 Dodge Coronet R/T Convertible
1979 LiL Red x2
2012 Yellow Jacket
2006 mega cab
1977 Trailduster
1979 Trailduster
Re: 89 dodge fuel injection problem [Re: hulmule] #1330804
11/04/12 09:45 PM
11/04/12 09:45 PM
Joined: Aug 2003
Posts: 12,291
Kent, Wa
340SHORTY Offline
Truck Nut
340SHORTY  Offline
Truck Nut

Joined: Aug 2003
Posts: 12,291
Kent, Wa
1st check it for codes. there are a few things that will effect the running. Bad Map Sensor, Ox sensor, coolant temp sensor, injectors, Throttle Body temp sensor, dirty air cleaner, vacume leaks hall effect sensor, corroded wire connectorsfuel pressure diaphram ruptured..


I am truckless..
Re: 89 dodge fuel injection problem [Re: 340SHORTY] #1330805
11/04/12 10:09 PM
11/04/12 10:09 PM
Joined: Mar 2006
Posts: 1,408
northeast ohio
H
hulmule Offline OP
pro stock
hulmule  Offline OP
pro stock
H

Joined: Mar 2006
Posts: 1,408
northeast ohio
wow alot of stuff to check on a rusty old ramcharger!


1969 Dodge Coronet R/T Convertible
1979 LiL Red x2
2012 Yellow Jacket
2006 mega cab
1977 Trailduster
1979 Trailduster
Re: 89 dodge fuel injection problem [Re: hulmule] #1330806
11/04/12 10:45 PM
11/04/12 10:45 PM
Joined: Jan 2003
Posts: 292
Atlanta
DartGTX Offline
enthusiast
DartGTX  Offline
enthusiast

Joined: Jan 2003
Posts: 292
Atlanta
Check the air swithing solenoid(and the 2 others) on the firewall. Usually corroded or bad. If it fails it can direct oxygen from the air pump into the exhaust when it shouldn't. This causes a BAD rich symptom.

Good luck







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