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 Post subject: Troubleshoot jerk and stall on start up
PostPosted: Tue Feb 20, 2018 3:47 pm 
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Vehicle: 00Forester GT- Gold

Posts: 69
Location: Tasmania
2000 sf5 gt.

Has had a MAFless tune....
Sometimes on start up the car will jerk forward and stall (in neutral)
Start again... chug chug stall
Start again... revs about 700rpm.. stalls
Start again.. nothing
Start again.. runs fine..
*this is all at the same Time and only happens every now and again*
Any ideas??
Thanks


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 Post subject: Re: Troubleshoot jerk and stall on start up
PostPosted: Tue Feb 20, 2018 4:42 pm 
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Vehicle: MY08 XT (SH)

Posts: 1077
Location: Brisbane
How clean is the fuel tank and fuel filter?

If it runs for a little bit then stalls there might be a load of grit/rust getting sucked up off the fuel tank floor into the filter (blocking it) after a few seconds of run time.

(i got that idea off the "Skid Factory" youtube series, as opposed to from personal experience and/or brains).

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 Post subject: Re: Troubleshoot jerk and stall on start up
PostPosted: Wed Feb 21, 2018 9:50 am 
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I Say: Keep the hammer down
Vehicle: 02GT/6MT/Modtown

Posts: 31617
Location: SE MEL
If the tune was recent talk to your tuner.

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 Post subject: Re: Troubleshoot jerk and stall on start up
PostPosted: Wed Feb 21, 2018 10:13 am 
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I Say: Car mods are like OddBodz, you got to collect them all! -------------------------------------
Vehicle: MY05 STi swapped sled

Posts: 17616
Location: Spearwood Perth WA
If the car moves forwards when in neutral then it sounds like a transmission issue not an engine issue. Perhaps the transmission is stalling the engine.

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 Post subject: Re: Troubleshoot jerk and stall on start up
PostPosted: Wed Feb 21, 2018 10:30 am 
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Vehicle: 00Forester GT- Gold

Posts: 69
Location: Tasmania
Have apoken with the tuner and they said if it was happening consistently then it'd be in the tune but due to it only happening occasionally it'd most likely be a sensor or similar


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