Ran fine for quite some time afterwards. Later on, it began to idle rough...then badly...then, not run at all. When it does "run" it stumbles badly, misses all over, and coughs through the intake (bad timing?). What can I check? Cam position sensor, crank sensor? All the intake areas looks dry and clean? If you give it gas, it dies instantly with a cough. It has not done this in the past. FYI, just did the fuel pump and all is well with it.
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