 | Home > Puma (Tdci) > new vcv fitted runs fine till...... |
 
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| pme Member Since: 06 Jan 2016 Location: cambridge and mainly ariege Posts: 49   
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Hi
had some issues with hesitation replaced fuel filter and then vcv, finally running fine, seems to pull well, but if I push it in 4th to 3500rpm i get a hesitation like a rev limiter. Searched hi and lo and failed to find any factual info on rev limits. Engine is totally standard, no aircon. around 116000km No re learn carried out yet. Does anybody have any insights to suggest next steps Thanks Chris |
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2nd Jul 2020 11:54am |
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| ickle Member Since: 22 Jul 2010 Location: South Vendee Posts: 1787  
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I thought VCV has to be set up electronically?? Probably just running on default settings......
Keith |
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2nd Jul 2020 6:15pm |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11324
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It really shouldn't be necessary to do the pilot learn when changing a VCV. There are plenty of people here who've done it without issue. Darren
110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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2nd Jul 2020 9:18pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20457
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Exactly as above for me when I changed mine.
No problems at all. Check your MAF & MAP sensors. Possibly now youโve replaced the VCV the other items parameters are not being met due to faults and or being dirty. Failing that, the VCV maybe at fault itโs self which would be a pain. I simply swapped mine and job done and been running better than ever since, but I do have almost new MAF & MAP sensors. No Guts, No Glory. ๐ฌ๐ง๐ด๓ ง๓ ข๓ ฅ๓ ฎ๓ ง๓ ฟ๐ด๓ ง๓ ข๓ ท๓ ฌ๓ ณ๓ ฟ๐ด๓ ง๓ ข๓ ณ๓ ฃ๓ ด๓ ฟ๐ฎ๐ช๐บ๐ธโฝ๏ธ๐ข๏ธโ๏ธ๐งฐ๐ช |
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2nd Jul 2020 9:27pm |
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| pme Member Since: 06 Jan 2016 Location: cambridge and mainly ariege Posts: 49
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Ordered an odb box to run with forscan, I'll try a relearn, its quicker than getting a filter down here, Off to the big city next week, i'll try and get another filter.
Anybody else had the filter issue? Maybe our friends in china are into "clap" copy fuel filters now Thanks for all the suggestions |
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3rd Jul 2020 11:29am |
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| pme Member Since: 06 Jan 2016 Location: cambridge and mainly ariege Posts: 49
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Much head scratching at a local independant, some diesel bug present after treating with enzyme, still bad running above 3k.
Tank out, cleaned inside, bit of crud and fuel bug removed In forscan you could see target rail pressure was not being met. Finally crankshaft position sensor removed, the end had been chewed a bit, seems like when the rear crankshaft oil seal was repalaced as part of the clutch replacment the sensor was incorrectly fitted. New sensor and away we go. Why it caused the fuel rai pressure to drop is a mystery. |
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28th Oct 2020 6:31pm |
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