Friday, April 16, 2010

Low fuel mileage, Honda Prelude

What should I do if my fuel economy is excessively low on my Honda Prelude?

If your fuel economy is excessively low on your Honda prelude, your vehicle may need to be serviced or repaired. You may want to contact your Honda dealer or a reputable repair facility to check your vehicle. The following are some of the diagnostic checks a mechanic will typically conduct for poor mpg on your Honda Prelude:

Perform "On-Board Diagnostic System Check" for diagnostic trouble codes (sensors or actuators which may be malfunctioning)
Check for dragging brakes
Check transmission shift patterns for slipping, use of all gears, lock-up operation
Check ignition timing
Check owner's driving habits including A/C usage, hard accelerations, carrying heavy loads
Check emission control system
Check vacuum hoses for leaks, kinks, proper routing
Check tire pressure
Check fuel type, quality, and alcohol content
Check fuel pressure and fuel system for leaks
Check air cleaner element
Check coolant level
Check ignition system for wet plugs, cracks, wear, improper gap, burned electrodes, or heavy deposits, cracking or improperly connected ignition wires
Check for proper calibration of speedometer
In extreme cases, there may be engine problems such as poor compression or faulty fuel injectors. Replacing fuel injectors on a Honda Prelude is not for the beginner or backyard tech. It is advisable to take it to the Honda Dealership or a repair shop that you trust.
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