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april10's avatar
april10
Explorer
Nov 26, 2013

starts fine, smooth idle 30secs, rough idle, then dies

We have a 1990 Southwind motorhome. Ran fine until recently. Now, it starts right up, runs good for about 30 sec., then the idle gets rough, the motor sounds like it's surging, and it dies. My husban...
Class A
donn0128's avatar
donn0128
Explorer II
Nov 26, 2013
Water in the fuel tank. Idle solenoid bad are the first two things that come to mind. It is also quite possible that there is electrical issues. Such as plug wires have broken down and are shorting to ground instead of through the plugs. There are literally dozens of possible causes and it will take a lot of time and patience to track them all down until you find the culprit.

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