This bulletin applies to 2005-2013 Honda Pilot vehicles. If you’ve cleaned or replaced the throttle body, and now you have a fluctuating idle, a MIL on with DTC P2279 (intake air system leak) and/or P0507 (idle control system rpm higher than expected), it’s likely that the throttle plate is now in a different position from the one the ECM/PCM had previously learned.
American Honda parts stock carries most engine oil and coolant gallery plugs (bolts and washers) separately, even though they might not be listed in the parts catalog. Following is a handy chart.
This bulletin is a reminder that applies to all Honda vehicles. When installing a new fuel pump/fuel gauge sending unit in a Honda car or truck equipped with a plastic fuel tank, don’t forget to install a new fuel tank lock nut, base basket and fuel line retainers.
Honda notes that urethane foam is a handy adhesive-backed material that’s just the ticket for getting rid of gaps between pillar trim pieces in the headliner, or quieting interior squeaks and rattles caused by two parts touching or rubbing against each othe
Honda offers a reminder regarding a loss of power where no DTCs are present. This may be the result of the normal workings of the brake system override.
This bulletin applies to all Honda models equipped with one-push start. When you shift into Park and shut off the engine, does the power mode stay in ON or Accessory? The culprit could be a mis-adjusted shift cable.
Honda ECM/PCM connectors are now embossed with geometric shape symbols to easily tell them apart. Connector A (white) has a square; connector B (gray) has a triangle; and connector C (green) has a circle.
This tip applies to all Honda models equipped with air conditioning. If the left dashboard side vent is warmer than the right side with the A/C on, chances are the evaporator core isn’t being flooded with enough liquid refrigerant, causing it to fully vaporize halfway through the core.
This tip was provided by Honda for solving odd electrical problems. Many automotive systems today rely on software. Should that software develop errors, which can happen from something like a low battery or interrupting a learn procedure, it can cause all sorts of odd electrical problems that can be hard to troubleshoot. Try doing a battery cable reset.
According to Honda, if you’re troubleshooting for an A/C leak and can’t find it even when using dye or another leak detector, the problem may be at the bulkhead, where the A/C lines attach to the expansion valve.
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