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Re: Long Term Fuel Trim High. What to check??
Posted by Dean (more from Dean) on Thu, 19 Jul 2007 08:29:32
In Reply to: Long Term Fuel Trim High. What to check??, JoeR, Wed, 18 Jul 2007 11:50:29
Does that mean that more fuel is been metered to avoid lean?

If you are running a fuel with more alcohol/ethanol, that will require more fuel flow.

Some of that figure can simply be taking care of variabilities in the MAP sensor, injectors and FPR.

Injector's clean? -Techron Concentrate

Checked the plugs?

The T5 system can have lower MPGs and performance in hot weather, so that can be part of what you have noticed.
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