I changed head gakets on my 3.3 dodge carivan... has been running very well till i ran out of gas.... put gas in, started and ran good for about 30 miles, engine felt as though it was running out of gas ...had plenty of gas... the engine will start but surges.. when i press gas it surges more and sounds like exhaust comming out of intake... im thinking cat converter may be clogged ...theres not much pressure comming out of tail pipe... am i correct in thinking this
When your running out of gas the dirt, grime, and gunk is all you have left except water and that may cause it to surge then slow down irrelevant to the gas pedal pressure.
I've had a similar problem when I ran out of gas
I would try a can of expensive fuel cleaner and a can of dry gas before anything else but that's just me!
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