Forum Discussion
First, consider how it performed last week—was it fine while idling, or did it drive well? Knowing this can help identify if the problem developed suddenly. Check if it can restart; if it cranks but won’t fire, that's key information. Look at the age of the fuel and the fuel level, as old fuel can cause issues. If a spark plug has failed, the engine may still run on fewer cylinders but sound rough. Listen for the fuel pump priming when you turn the key; if you don’t hear it, that could be the issue. If it's cranking but not starting, try some ether to determine if it's a fuel problem or a spark issue. Don't forget to consider other potential problems like coil failures or ECM issues, but starting with fuel delivery is a smart move.
The RV ran fine last week went to Talladega and had only one issue on the trip. Had to change an ignition coil and connector. It made home, but engine light stayed on. I will be changing all the spark plugs and ignition coils, coil connectors as needed.