Mechanics

NO SPARK OR INJECTOR PULSE

1991 Dodge Dynasty

Engine Performance problem
1991 Dodge Dynasty 6 cyl Front Wheel Drive Automatic 310000 miles

have fuel pressure wiring checks good no codes can spark cylinders from scanner not injectors tried computer also tried 94 dodge 2.5 computer have spark and injector pulse 94 does not use cam sensor if timing chain has jumped will cam/crank sync not allow spark or injector pulse owner said car backfired twice then quit
AD
Avatar
Cstapolis
February 17, 2010.



Hi cstapolis, Welcome to 2carpros and TY for the donation

1991 Dodge Dynasty no spark or injector pulse

Inspect and test the auto shutdown relay thoroughly it powers the injector and the coil-let me know
AD

Rasmataz
Feb 17, 2010.
Auto shut down relay has been checked injector wiring good scanner will make each cylinder spark but no injector operation from scanner

Tiny
Cstapolis
Feb 17, 2010.
Check the injector solenoid resistance if okay could be the computer injector ground driver circuit.

Rasmataz
Feb 17, 2010.
Removed timing cover chain had jumped 2 teeth put new chain and gears on vehicle started just fine

Tiny
Cstapolis
Feb 23, 2010.
We appreciate your donation and look forward to helping you in the future. Thank you

Tiny
2CarPros Linsey
Mar 2, 2010.

AD