Liberty has a misfire after using E10 fuel

Started by David N Lang, Aug 20 2017 07:43 AM

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#1 David N Lang

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Posted 20 August 2017 - 07:43 AM

2000 Liberty 2.5ltr has a misfire and loss of power under load wife fuelled car with E10 91 octane fuel emptied tank after 400k ran a tank of 95 octane and injector cleaner, seemed to correct problem has now developed a misfire and loss of power under acceleration not sure what to look for thinking either fuel blockage or spark plugs or even coil plugs It hesitates has a miss then runs fine

Any suggestions will be appreciated

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#2 zahmad

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Posted 20 August 2017 - 04:28 PM

Try resetting the ecu by unplugging the battery, then getting rid of the charge by pressing the brake pedal a few times. Then reattach the battery to see if it makes a difference....

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#3 BG11XV

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Posted 20 August 2017 - 08:14 PM

get some maf cleaner too just to eliminate that

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#4 Guest_KONG_*

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Posted 21 August 2017 - 09:55 AM

Pull a spark plug and check its condition.
For the price of a set of new plugs, you'd be best just doing a plug change and crossing them off the list of suspects.