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| Hazzard |
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This only happens when the car has been sitting in the heat for a while. Never on cool days.
When i start the car, the engine does not idle well at all. In fact, all it does is run very rough and splutters badly for about half a minute then idles smoothly as normal. Its something i cant work out as it only occurs on hot days after the car has been sitting a while. Has anyone experienced the same sort of thing ar have any clues as to what may cause this? It may just be a sensor or something which is faulty. I dont know. The car is an EL I6. It has been doing this for years but its not something that occurs on cool days, just hot days. Any help would be great. |
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| 93EB |
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Age: 47 Posts: 2485 Joined: 6th Oct 2005 Ride: 93EB Fairmont / BA Falcon XR6T Location: Western Sydney |
maybe your fuel is evaporating in the lines somehow or the map sensor is a bit dodgy?
_________________ 93 EB II Fairmon8 with 17' EL GT's / Clear indicators / H.I.Ds / Sports exhaust / Lowered 2' / K&N / XR6 ECU. |
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| Slick |
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I'll go with the fuel vapor & blocked return line to tank.
_________________ Mind f**k!!! it works on feeble minded ignorant sheeples... there's plenty of em on this site... some are very intelligent but by god they are so thick!!! Pakrat wrote: You can buy them seppertly
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| twr7cx |
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cleaned the ISC?
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| Walker |
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Definately sounds like the fuel is evaporating, i've had this with a few cars in the past... Only hot days and only when the car had been sitting a few hours.
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| 4.9 EF Futura |
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Walker wrote: Definately sounds like the fuel is evaporating, i've had this with a few cars in the past... Only hot days and only when the car had been sitting a few hours.
Surely a properly functioning carbon cannister would prevent this from ocurring? How hot are we talking here? You live in the desert? Or just 'typical' aussie heat - 30-40 degrees...
_________________ I promise..... I will never die. |
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| Hazzard |
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Hot days. eg. 30+
Just to make it more interesting, the engine runs fine when you give it a little bit of accelerator. Only when it tries to idle its like a pig. I cant see how evaporating fuel will cause this if fuel is there when you press it a bit. Im baffled. |
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| Adam_Legs11 |
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I feel your pain, its been hapening to me today (stinking hot), but it happens other times too, but only sometimes
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| 4.9 EF Futura |
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Geez this is a long shot and it'd be difficult to test, but maybe the heat is affecting the throttle position sensor???
Try getting a voltage reading from TPS when the car is playing up. At idle, should not be reading any more than 0.98v
_________________ I promise..... I will never die. |
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| Molloy |
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Give the ISC a shot
_________________ SS Inductions CAI, K&N Filters, M-spec FMC, Turbosmart BOV, 8psi capa tune, X-force cat. |
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| Soulfire |
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would have to be hotter than that to evaporate the fuel? i'd vote for ISC or TPS, sounds like the heat is messing with something electrical.
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