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850 / S70 & V70 '96-'99 / C70 '97-'05 General Forum for the 850 and P80-platform 70-series models |
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Fuel smellViews : 2377 Replies : 11Users Viewing This Thread : |
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Mar 24th, 2011, 20:33 | #1 |
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Fuel smell
I keep getting a smell of fuel, smells to me like unburnet neat petrol not fumes. Ive checked the all seals and lines and there doesnt appear to be a leak, it only happens on startup, both cold and hot. but doesnt seem to happen in traffic or sitting. Any idea's?
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Current Volvo 850 2.5 10V SE 1996 Volvo V70 2.5D 2000 Departed Volvo 850 T5 Turbo 'L94" 1994 Volvo 740 GLE 1990 |
Mar 24th, 2011, 21:12 | #2 |
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fuel smell
Do any of the injectors need a new set of top O rings or the L shaped pipe connecting between the fuel rail and the pressure regulator? Mine quit in Sainsbury petrol station, that was fun caused a few problems.
The pipe isn't expensive
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Mar 24th, 2011, 21:14 | #3 |
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possibly a weeping injector
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Mar 24th, 2011, 21:42 | #4 |
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is there anyway to tell if they are weeping? they just look old to me?no signs of leakage
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Current Volvo 850 2.5 10V SE 1996 Volvo V70 2.5D 2000 Departed Volvo 850 T5 Turbo 'L94" 1994 Volvo 740 GLE 1990 |
Mar 24th, 2011, 23:16 | #5 |
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Is the fuel smell only under bonnet or near rear of car?
The fuel tank will have a vent to air pipe so occasional fuel smell is normal. |
Mar 26th, 2011, 20:50 | #6 |
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sorry for the late replys, the smell is all at the front, not near the back at all. im going to check the injector seals tomorrow ( if its dry ), would a loose joint between the mainfold and cat pipe also cause a smell? it sounds a bit rattley when i shake it
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Current Volvo 850 2.5 10V SE 1996 Volvo V70 2.5D 2000 Departed Volvo 850 T5 Turbo 'L94" 1994 Volvo 740 GLE 1990 |
Mar 27th, 2011, 00:15 | #7 |
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Hi,
probably wouldn't cause a petrol smell there - at least not unless the mixture is fairly rich and some unburnt fuel is making it out of the cylinder. Also not sure this would tie in with cold and hot starts, I'd expect the gap might seal once hot and either way only cold starts are likely to run rich. That's my thinking :-) HTH, Pete
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Apr 23rd, 2011, 16:53 | #8 |
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hi, me again, ive finally got some injector seals through courtsey of the forum supplier, can someone tell me how much i will have to take off to do these, and how to? ive figured out were 5 go, but cant suss the other 5
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Current Volvo 850 2.5 10V SE 1996 Volvo V70 2.5D 2000 Departed Volvo 850 T5 Turbo 'L94" 1994 Volvo 740 GLE 1990 |
Apr 23rd, 2011, 20:23 | #9 |
Mad Murdoch
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Theres a seal on the bottom of each injector & on the top where they fit into the fuel rail
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"If It Ain't Broke Don't Try To Fix It" Jim Day 1999 V70 2.5 T SE Auto "ME7" Caravan = 2003 Swift Charisma 550 4 Berth Last edited by JimDay; Apr 23rd, 2011 at 20:37. |
Apr 23rd, 2011, 20:26 | #10 |
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as jim says 1 at top one at bottom, tip for u when installing the injectors use a little oil on the seals
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