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SV420 Surging
https://auszookers.com/forum/viewtopic.php?f=37&t=48729
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Author:  matth27 [ Sat Dec 13, 2014 8:00 pm ]
Post subject:  SV420 Surging

Having a problem with my sv420 similar to other posts ive seen. I get intermittent power surging when driving, sometimes on startup will surge for a few kms, other times I will be driving then all of a sudden it starts surging, today it would surge for about 30 seconds then back to normal then surge again. I have replaced spark plugs, old owner replaced MAF as it was throwing a code, Have checked codes since and getting 12 (all good). Have tried running 95 and 98 premium and same problem.

Any suggestions?

Author:  DarkHorse [ Sun Dec 14, 2014 6:32 pm ]
Post subject:  Re: SV420 Surging

TPS, fuel filter/lines/pump, injectors, coil packs/HT lines, air filter in that order.

Reckon that about covers my bases...

Author:  matth27 [ Mon Dec 15, 2014 7:16 am ]
Post subject:  Re: SV420 Surging

TPS is good, has new air filter aswell. Is there a fuse or relay I can take out so I can change the fuel filter without fuel going everywhere? Old owner also replaced 1 coil will check the rest

Author:  DarkHorse [ Tue Dec 16, 2014 12:32 am ]
Post subject:  Re: SV420 Surging

Nah, I just swap 'em over as quick as I can. :lol:

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