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06-06-2007, 04:55 PM | #1 | |
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Join Date: Jun 2007
Location: Renton, Washington
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98 Hombre has lag issue
I have a 98 Isuzu Hombre 4.3 V6. Automatic, VIN#X0W8654326
The problem: when I am going up a hill, at about 2300 rpms, I will see the rpm gage start to fall, and it feels like the motor is not fireing smoothly. If I feather the throttle a bit it will pick back up for a few moments and then it will repeat the process (lag). If I step down on the throttle and the transmission down shifts to a lower gear, the service engine light will come on: (Error Code is random: P0306, P0304, P0301). Attempted Resolutions: 1. Replaced plugs,wires,distributor cap and rotar. (Dealer Ship) 2. Fuel Injectors cleaned (Dealer Ship) 3. Updated computer software (Dealer Ship) 4. Replaced fuel filter, air cleaner, changed oil. I still have the same problem. Could this be that I might have a plugged up catalytic converter or a bad fuel pump? The Dealer Ship said that the injectors were fine, but those are the only three things I have not replaced so far, would truly appreciate input. |
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