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Injectors

Tiny
RICHARD LODGE
  • MEMBER
  • 2001 FORD RANGER
  • 2.5L
  • 4 CYL
  • 2WD
  • MANUAL
  • 165,000 MILES
All injectors pulsing at same time on every stroke together. New, TBS, oxys, idle sensor, coil pack, fuel pump. Timing on marks, no catalytic exhaust, reset computer, heavy backfires intake and exhaust.
Saturday, October 13th, 2018 AT 1:03 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon.

The injectors should only fire when the cylinder is at top dead center compression.

It takes the signal for the crank sensor. If your sensor is damage, that could cause it.

If that is working correctly, then the PCM is the issue. It should not fire them all at the same time.

Roy
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Saturday, October 13th, 2018 AT 1:33 PM

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