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Old 08-02-2018, 08:42 AM   #4
mhhorowi
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Join Date: Aug 2017
Posts: 24
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I'm not sure what is causing your issue, but I can tell you what caused some of our issues with low gas mileage and some performance issues. We've had multiple issues with fuel injector. These issues were not due to not changing the oil on a regular basis but instead from the Heui pump failures. We have also had a turbo failure. Lastly, we had an issue with high temperatures due to a radiator that needed to be removed and cleaned as it was clogged due to a lack of a blow by tube being installed and a leak caused when a gasket wasn't sealed after work on a fuel injector . We have also had some issues with fuel filters needing to be changed more often than you'd expect.

All that being said, I'd say you need to find a good shop that understands the CAT Engine. It's hard to find good labor these days. I'm actually still looking for a really good one.
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