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| misfire/flatspotting https://www.fiesta-si.com/forums/viewtopic.php?f=4&t=18238 |
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| Author: | DANIELP1991 [ Tue Dec 01, 2009 8:59 pm ] |
| Post subject: | misfire/flatspotting |
When im driving along my car will feel dead every now and again. i got my foot planted and it wont rev. then all of a sudden it clears itself and goes better. also when its on idle it sometimes idles lumpy and hunts. ive changed coilpack leads plugs fuel filter cleaned iscv was still the same. so unplugged the maf and it ran better. so then changed the maf with the one off my old car. it hasnt missed or flat spotted yet but idled a bit lumpy in traffic this morning. but it defibnately feels underpowered. anyone got any ideas on what it could be? |
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| Author: | cs detailing [ Tue Dec 01, 2009 9:14 pm ] |
| Post subject: | Re: misfire/flatspotting |
Changed your fuel fitler recently? a common thing for people to look past |
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| Author: | TANGO [ Tue Dec 01, 2009 10:04 pm ] |
| Post subject: | Re: misfire/flatspotting |
come buy my old 1.4 engine and you can use any part off it you need!! |
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| Author: | DANIELP1991 [ Wed Dec 02, 2009 1:13 am ] |
| Post subject: | Re: misfire/flatspotting |
yea done the fuel filter last nite........... i got my other 1.4 engine i can rob bits off if i need em. and my spare 1.6 bits. gota feeling its sthe lambda sensor now coz ib remeber spilling loctite on it a few weeks ago so gona try that next. |
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| Author: | onslack [ Wed Dec 02, 2009 10:06 pm ] |
| Post subject: | Re: misfire/flatspotting |
have you tried to clean your maf? both maf's might be dirty |
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| Author: | DANIELP1991 [ Sun Dec 06, 2009 11:10 pm ] |
| Post subject: | Re: misfire/flatspotting |
yea done that mate. changed lambda sensor now aswel. still under power. gona try changing exhaust mani gasket next. |
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| Author: | Fezzyzetec [ Thu Dec 10, 2009 12:27 pm ] |
| Post subject: | Re: misfire/flatspotting |
checkthe voltage on the throttle sensor m8 wen i had my fiesta on throttle bodies the car wouldn rev at all and turned out to be low voltage on on TPS |
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| Author: | DANIELP1991 [ Sat Dec 19, 2009 9:15 pm ] |
| Post subject: | Re: misfire/flatspotting |
its ok now guys |
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| Author: | TANGO [ Sat Dec 19, 2009 9:22 pm ] |
| Post subject: | Re: misfire/flatspotting |
bro what does yours idle at? mines currently around 2K but i think its high because of the shite exhaust, |
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| Author: | DANIELP1991 [ Mon Dec 28, 2009 11:30 am ] |
| Post subject: | Re: misfire/flatspotting |
800 ish. sounds like your constantly running on choke mate. |
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