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    V40 no start, has spark, has fuel...!!!

    My parents report that their 1999 2.0T V40 has died!

    I haven't got to it yet, but the recovery guy reports fuel pressure at the rail, and also spark at the coils (and he's had all of the plugs out as well) - and it cranks and cranks but won't run. Fluids normal...

    Sounds really odd to me. I'll get to the car tonight, but any ideas???
    Alastair
    Current: 2009 Cayenne GTS and a 2016 Prius IV... yes.
    Previous Volvos: 2009 V50 D5 R-Design, 2005 V70R, 2001 V70 T5, 2001 S40 T4, 2x 1999 S40 T4, 2003 V40 T4, 1999 V70 T5, 1996 854 T5 & 855 T5, 1995 855 T5, and a 480...
    Previous other stuff: Saxo Turbo, 2004 996 C4S, 2008 Z4M, 2001 Yaris T-Sport, 2002 S2000 Mugen, and a 1999 Evo VI



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    Immobiliser it sounds like, i've heard of a few that have had a strop and caused those symptoms.

    HTH
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    Al115 (Wednesday 23rd September 2009)

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    AGH that'd be a pain.

    Just got home so going out to look!!!
    Alastair
    Current: 2009 Cayenne GTS and a 2016 Prius IV... yes.
    Previous Volvos: 2009 V50 D5 R-Design, 2005 V70R, 2001 V70 T5, 2001 S40 T4, 2x 1999 S40 T4, 2003 V40 T4, 1999 V70 T5, 1996 854 T5 & 855 T5, 1995 855 T5, and a 480...
    Previous other stuff: Saxo Turbo, 2004 996 C4S, 2008 Z4M, 2001 Yaris T-Sport, 2002 S2000 Mugen, and a 1999 Evo VI



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    That or fuel pressure regulator. Give it a touch of gas after it's been cranking for about 20 seconds and see if it wants to start. A good ol' stink of fuel and I reckon that'd be the issue.

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    Al115 (Wednesday 23rd September 2009)

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    Take a can of "start ya b**tard" with ya..... lol (Easy start)
    It's a ROCKET PROPELLED ARMCHAIR, and I LOVE IT
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    Right. Had a good old session troubleshooting tonight. Still not working though

    Things I've checked:
    • Fuel pressure at the rail - there is some. Fuel pressure regulator diaphragm holds vacuum. Fuel pump runs and isn't clogged up (I've had it out of the tank). Fuel filter is new and on the right way. Yes there is fuel in the tank
    • Spark checked under cranking, spark plugs changed, coils swapped round. Crank sensor swapped with another one.
    • Carb cleaner sprayed into the throttle body and crank... /makes no difference/... not a sausage.
    • Immobiliser light goes out when the key goes in. Tried both keys.


    Really confusing me now. There is fuel (and enough BA BA BOOM carb cleaner to launch it into space...), there is spark under cranking... but it really isn't having it!

    What else should I try?...
    Alastair
    Current: 2009 Cayenne GTS and a 2016 Prius IV... yes.
    Previous Volvos: 2009 V50 D5 R-Design, 2005 V70R, 2001 V70 T5, 2001 S40 T4, 2x 1999 S40 T4, 2003 V40 T4, 1999 V70 T5, 1996 854 T5 & 855 T5, 1995 855 T5, and a 480...
    Previous other stuff: Saxo Turbo, 2004 996 C4S, 2008 Z4M, 2001 Yaris T-Sport, 2002 S2000 Mugen, and a 1999 Evo VI



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    Whip the ecu out and have a look at the board, you never know, it will also reset the system.
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    Al115 (Wednesday 23rd September 2009)

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    Thanks mate. I shall do that tomorrow. So much fun to get at, those -40 ECUs with their tamperproof brackets
    Alastair
    Current: 2009 Cayenne GTS and a 2016 Prius IV... yes.
    Previous Volvos: 2009 V50 D5 R-Design, 2005 V70R, 2001 V70 T5, 2001 S40 T4, 2x 1999 S40 T4, 2003 V40 T4, 1999 V70 T5, 1996 854 T5 & 855 T5, 1995 855 T5, and a 480...
    Previous other stuff: Saxo Turbo, 2004 996 C4S, 2008 Z4M, 2001 Yaris T-Sport, 2002 S2000 Mugen, and a 1999 Evo VI



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    Quote Originally Posted by Al115 View Post
    My parents report that their 1999 2.0T V40 has died!

    I haven't got to it yet, but the recovery guy reports fuel pressure at the rail, and also spark at the coils (and he's had all of the plugs out as well) - and it cranks and cranks but won't run. Fluids normal...

    Sounds really odd to me. I'll get to the car tonight, but any ideas???
    Hi mate. Have you got firstly a 12v live at the injectors and secondly 'Switching'?? Use a multimeter on Hz or a 'Noid' light to test. You can have a good spark and fuel but without the above you got no chance. Did the car 'cut out, non start' or just 'non start' (ie on the driveway)?
    2014 V60 Polestar 6spd Auto :: Polestar map peak boost 17.4psi :: IPD 3" DP + 150cel :: Polestar 2.5" exhaust :: Paddle Shift Geartronic :: Black glass :: Maxton Splitter :: K+N Filter :: IPD Aluminium Top engine mount :: Brembo 6 pots :: 20" Polestar rims :: Brembo 371mm floating discs :: Sensus RTi + DAB + BT + WIFi :: D3S XENARC 6000k Active bending headlights

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    Al115 (Wednesday 23rd September 2009)

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    Quote Originally Posted by Justin View Post
    Immobiliser it sounds like, i've heard of a few that have had a strop and caused those symptoms.

    HTH
    I do believe if the immobilisor is faulty then you won't get fuel.

    Also, just because you have fuel in the rail, doesn't mean you have fuel out the injectors. You need to check the 'Amp draw' on the fuel pump fuse with an amp clamp. Expect to see 12v and between 3-6 amps either on prime or crank. If it's less, then the fuel pump is open circuit or they have run out of fuel - (faulty gauge). If it's more then the fuel pump is seized.
    2014 V60 Polestar 6spd Auto :: Polestar map peak boost 17.4psi :: IPD 3" DP + 150cel :: Polestar 2.5" exhaust :: Paddle Shift Geartronic :: Black glass :: Maxton Splitter :: K+N Filter :: IPD Aluminium Top engine mount :: Brembo 6 pots :: 20" Polestar rims :: Brembo 371mm floating discs :: Sensus RTi + DAB + BT + WIFi :: D3S XENARC 6000k Active bending headlights

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    Al115 (Wednesday 23rd September 2009)

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    Quote Originally Posted by Justin View Post
    Whip the ecu out and have a look at the board, you never know, it will also reset the system.
    Last resort!!! Start with the simple stuff.

    Alastair...have you checked ALL the fuses??
    2014 V60 Polestar 6spd Auto :: Polestar map peak boost 17.4psi :: IPD 3" DP + 150cel :: Polestar 2.5" exhaust :: Paddle Shift Geartronic :: Black glass :: Maxton Splitter :: K+N Filter :: IPD Aluminium Top engine mount :: Brembo 6 pots :: 20" Polestar rims :: Brembo 371mm floating discs :: Sensus RTi + DAB + BT + WIFi :: D3S XENARC 6000k Active bending headlights

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    Al115 (Wednesday 23rd September 2009)

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    ...oh yeah, one more thing. Stop using carb cleaner and easy start. One tiny burst is all you need believe me. If it doesn't start then it 'aint gonna! If you keep using it you will cause serious damage to the valve seats and pistons. Not only that, make sure if you do use it that you bypass the MASS meter. Ie, disconnect the intake and squirt the stuff in 'post' MASS meter. If you don't and the car backfires...(very common) then you will blow your MASS meter to smithereens. Don't say i didn't warn you!

    2014 V60 Polestar 6spd Auto :: Polestar map peak boost 17.4psi :: IPD 3" DP + 150cel :: Polestar 2.5" exhaust :: Paddle Shift Geartronic :: Black glass :: Maxton Splitter :: K+N Filter :: IPD Aluminium Top engine mount :: Brembo 6 pots :: 20" Polestar rims :: Brembo 371mm floating discs :: Sensus RTi + DAB + BT + WIFi :: D3S XENARC 6000k Active bending headlights

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    Al115 (Wednesday 23rd September 2009)

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    Lee - thanks VERY much for all the advice. Really appreciated.

    The car didn't cut out, it drove to Tescos normally, was parked up, and then refused to restart an hour later.

    I have visually checked fuel in the tank so I know the gauge is not faulty.

    Carb cleaner was going in directly to the throttle body so but yes I was probably using too much!

    I have some noid lights so will plug them in and see if the injectors are doing their stuff. Also will check all fuses and fuel pump draw.

    Again thanks for taking the time to post up your advice...
    Alastair
    Current: 2009 Cayenne GTS and a 2016 Prius IV... yes.
    Previous Volvos: 2009 V50 D5 R-Design, 2005 V70R, 2001 V70 T5, 2001 S40 T4, 2x 1999 S40 T4, 2003 V40 T4, 1999 V70 T5, 1996 854 T5 & 855 T5, 1995 855 T5, and a 480...
    Previous other stuff: Saxo Turbo, 2004 996 C4S, 2008 Z4M, 2001 Yaris T-Sport, 2002 S2000 Mugen, and a 1999 Evo VI



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    Had a few mins for some very quick checks this morning...

    • All important fuses look fine (engine fuse in the passenger compartment, main fuses under the bonnet).
    • Noid light pulses on Injector #1 when engine cranked.
    • ECU disconnected - no change to car cranking - and left for a few hours...


    Haven't been able to check fuel pump current yet.
    Alastair
    Current: 2009 Cayenne GTS and a 2016 Prius IV... yes.
    Previous Volvos: 2009 V50 D5 R-Design, 2005 V70R, 2001 V70 T5, 2001 S40 T4, 2x 1999 S40 T4, 2003 V40 T4, 1999 V70 T5, 1996 854 T5 & 855 T5, 1995 855 T5, and a 480...
    Previous other stuff: Saxo Turbo, 2004 996 C4S, 2008 Z4M, 2001 Yaris T-Sport, 2002 S2000 Mugen, and a 1999 Evo VI



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    If all else fails Al, then a can of petrol and a box of matches usually fixes everything....

    When you say you've got a spark at the plugs, is it a good spark or just a spark???.. (not trying to teach you how to suck eggs, but if it's not enough of a spark it won't help). Is it cranking fast enough?, is it possible to check the fault codes?..
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    Hi mate. It's cranking plenty fast and we keep the battery topped up overnight while we are messing with the car. The spark doesn't look award-winning, but it's definitely there on each coil pair. I'd have thought that if one coil was failing then we'd still get two cylinders working (as the 40s have two coils and two slave leads - wasted spark) - it'd be odd for both coils to fail at the same time. As it is we get no cylinders firing at all! Oddness.
    Alastair
    Current: 2009 Cayenne GTS and a 2016 Prius IV... yes.
    Previous Volvos: 2009 V50 D5 R-Design, 2005 V70R, 2001 V70 T5, 2001 S40 T4, 2x 1999 S40 T4, 2003 V40 T4, 1999 V70 T5, 1996 854 T5 & 855 T5, 1995 855 T5, and a 480...
    Previous other stuff: Saxo Turbo, 2004 996 C4S, 2008 Z4M, 2001 Yaris T-Sport, 2002 S2000 Mugen, and a 1999 Evo VI



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    Plugged the ECU back in and no joy - so "resetting" didn't help. Shame.

    However I've noticed another odd thing that might be a useful clue...

    The engine temp as reported by the infocentre is behaving strangely. Sometimes when I turn on the ignition, it runs up from 40 to STOP and flashes red. Then, other times, it's perfectly normal and just displays "COLD" as it should. If I disconnect the sensor, the engine cooling fan runs all the time (normal). Thing is, I swapped the sensor out for one off my old T4 about a month ago, as the previous sensor was also behaving oddly (readings ran very high, and then I got the DTC code about CTS circuit high or something). So maybe the fault was not with the sensor at all, and I didn't manage to fix it...

    I can't read the codes as my code reader is in my other car (bah) but now I'm thinking that the fault might lie with the coolant temp sensor wiring, or with the ECU? As far as I know there's nothing else in the equation (apart from the dreaded infocentre, and I doubt that would stop the car running if it failed).

    This is doing my chewy!!!!

    Alastair
    Current: 2009 Cayenne GTS and a 2016 Prius IV... yes.
    Previous Volvos: 2009 V50 D5 R-Design, 2005 V70R, 2001 V70 T5, 2001 S40 T4, 2x 1999 S40 T4, 2003 V40 T4, 1999 V70 T5, 1996 854 T5 & 855 T5, 1995 855 T5, and a 480...
    Previous other stuff: Saxo Turbo, 2004 996 C4S, 2008 Z4M, 2001 Yaris T-Sport, 2002 S2000 Mugen, and a 1999 Evo VI



  26. #18
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    Blocked air filter?

    Lack of air at the spark would stop it firing.

    Air Mass Meter?
    Last edited by Mrs_PA; Wednesday 23rd September 2009 at 12:14.

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    Thanks for the suggestions. AFAIK even a failed MAF shouldn't stop it running... and I've had the intake hose off at the throttle body and that doesn't help either!
    Alastair
    Current: 2009 Cayenne GTS and a 2016 Prius IV... yes.
    Previous Volvos: 2009 V50 D5 R-Design, 2005 V70R, 2001 V70 T5, 2001 S40 T4, 2x 1999 S40 T4, 2003 V40 T4, 1999 V70 T5, 1996 854 T5 & 855 T5, 1995 855 T5, and a 480...
    Previous other stuff: Saxo Turbo, 2004 996 C4S, 2008 Z4M, 2001 Yaris T-Sport, 2002 S2000 Mugen, and a 1999 Evo VI



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    I know you kept the battery topped up, but have you checked what it is putting out? (I know, I'm clutching at straws).

    BTW, a failed MAF stopped the dreaded Christine running, although it had different symptoms - it fired but wouldn't stay running, but I just thought it was worth a shout as it's easy to remove.


 

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