Engine Runs rough under load

Tiny
IBCHUCK
  • ISUZU

1998 Isuzu Trooper 3.5L DOHC, 121,300 miles, Auto Transmission. Engine surges when pulling up a hill. Accellerates normally on level road. Check engine light comes on after approximately 1 minute going up hill. Trouble code PO 306 is indicated (Misfie in cylinder # 6). No other codes.

I pulled spark pllug # 6. Gap was reset, no carbon deposits. Normal wear observed. Symptoms remain.

What could be causing this problem?

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Monday, November 12th, 2007 AT 5:52 PM

1 Reply

Tiny
BMRFIXIT
  • EXPERT
  • 19,542 POSTS

U need to

check wire s coil injector comp

good luck

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Monday, November 12th, 2007 AT 6:38 PM

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