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Engine Runs rough under load

Tiny
IBCHUCK
  • MEMBER
  • 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
  • MECHANIC
  • 19,053 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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