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2018 RT Ltd engine surging & dies at idle - any ideas

floridarider

New member
Does anyone know of a possible problem my 2018 RT Limited has, where the Limp Home Mode briefly illuminated and the engine surges in RPM while driving. At idle it will die.
 
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My philosophy is, try the easy stuff first; check your air & fuel filters, and run a fresh tankful of 91 octane fuel through it.
 
Possibly bad gas ???? .... If it's contaminated with water, the best thing I've used is a product named .. " HEET " comes in a red bottle & I believe it combines with water to make it burn .... It doesn't matter what grade of gas you use, fresh un-contaminated works fine. ... Spyders don't REQUIRE anything above reg 87.....Good luck .... Mike :thumbup:
 
I had something like that happen, I gave it a charge of seafoam it went away, I believe I got a dose of water. And like Mike said, a shot of Heet works also!!
 
HEET is a great idea, I recommended 91 cuz we have 91 w/ethanol here. Ethanol is OK for water, but the methanol in HEET would be better.
 
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