7.3 acceleration problem
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Mountain Pass
Joined: Apr 2004
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7.3 acceleration problem
I also posted this in the EXcursion Forum
I have 2000 excursion with 7.3 engine odometer is 177,000. Each time I tried to accelerate there is delay and going uphill is a struggle, first notice this condition in 7/2017. Turbo boost gauge shows 5psi when going uphill. On 11/2017 check engine light came on errors P0678, P0676, P0674 and P0672, replaced plug control module I erased the error code never showed up again. On 1/2016 check engine light on, error code P1670, charged batteries erased error code never shows up again. . When I bought this in 2003 (used) I had no problem accelerating. I change oil and filter, and fuel/water separator every 5K.. Reolace air filter at 172928 miles. 7/24/2017, On 10/2012 mileage 155660 transmission fluid flushed and replaced fluid. by dealer. I used to have Predator setting to 60HP but removed it on 9/2010 due to incorrect Average GPM reading.
What is causing this engine to behave like this? Any suggestions? Let me know if additional info is needed.
Thanks,
James
I have 2000 excursion with 7.3 engine odometer is 177,000. Each time I tried to accelerate there is delay and going uphill is a struggle, first notice this condition in 7/2017. Turbo boost gauge shows 5psi when going uphill. On 11/2017 check engine light came on errors P0678, P0676, P0674 and P0672, replaced plug control module I erased the error code never showed up again. On 1/2016 check engine light on, error code P1670, charged batteries erased error code never shows up again. . When I bought this in 2003 (used) I had no problem accelerating. I change oil and filter, and fuel/water separator every 5K.. Reolace air filter at 172928 miles. 7/24/2017, On 10/2012 mileage 155660 transmission fluid flushed and replaced fluid. by dealer. I used to have Predator setting to 60HP but removed it on 9/2010 due to incorrect Average GPM reading.
What is causing this engine to behave like this? Any suggestions? Let me know if additional info is needed.
Thanks,
James
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