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| Joined: | Tue Sep 16th, 2008 |
| Location: | Westmidlands, United Kingdom |
| Posts: | 164 |
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| View single post by supertom | |||||||||||||
| Posted: Sun Dec 2nd, 2018 10:20 am |
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supertom
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hi got a few now that fail the on black smoke the last 3 we fully service them and add fuel emission lowering in fuel filter and some in tank then hold a rag over exhaust and rev it up this does move some of the sut in older cars and vans then we road test it in 3 gear come back and test the emission again and most times it does pass if you have any tips please let us all know .
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