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 Posted: Mon Jul 09, 2012 1:57 pm |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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| chris_87 wrote: |
| Sorry, I mean if the key fob was the problem, would that cause the ecu light to come on in the first place...? |
The yellow engine diagnsotic light is meant to be on until the engine is up & running!
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Wed Jul 11, 2012 11:27 am |
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Joined: Jul 09, 2012
Posts: 21
Trade Rating: 0
Location: Wales
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Ok..some updates...
Just plugged it into a diagnostics reader and it's come up with the following codes:
P1336 - significant combustion misfiring on several cylinders or on an unspecified cylinder
P0011 - variable solenoid valve locked at the upper stop
Anyone have any suggestions based on that?
I've looked them up and it looks like the p0011 relates to vvt? If that solenoid is locked in position, that would explain the cam /timing sensor fault that I had Friday?
P1336 would be coil pack, but I don't think that would make sense when it's intermittent, only when the engine is off... Surely a problem there would be noticeable when the car is running as well?
The only other thing we can think of is immobiliser.... I'm guessing that would fit in with the intermittent starting? Once it's running it wouldn't matter, or would it?
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Posted: Wed Jul 11, 2012 11:36 am |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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| chris_87 wrote: |
The only other thing we can think of is immobiliser.... I'm guessing that would fit in with the intermittent starting? Once it's running it wouldn't matter, or would it? |
Its not the immobiliser.
If it was immobilised you wouldnt have been able to extract those fault codes from the engine ecu 
Take the VVT solenoid out & give it a clean.
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Wed Jul 11, 2012 11:44 am |
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Joined: Jul 09, 2012
Posts: 21
Trade Rating: 0
Location: Wales
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The vvt solenoid... Is that just on the left of the coil pack?
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Posted: Sat Jul 14, 2012 5:57 am |
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Joined: Jul 09, 2012
Posts: 21
Trade Rating: 0
Location: Wales
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Ok, replaced vvt solenoid and still nothing....
Started looking at potential other problems starting with fuel... Unplugged the pipe feeding the fuel rail expecting fuel pouring out...... Nothing, bone dry.... Turned the car over with the pipe still disconnected, still no fuel....
Pulled up the cover under the back seat, removed the pipe coming from the pump/tank... Fuel came out for a second and stopped, tried turning the car over but nothing coming out of the tank.....
Sooooo! I'm guessing that's where the problem lies....
Does the immobiliser stop fuel? I know it was mentioned earlier that we wouldn't get the error codes if it was immobilised.... If that's the case, I'm guessing it's a dodgy fuel pump .....
I did rig up a gravity fed fuel supply straight to the fuel rail, which also failed, guessing it needs the pressure from the pump ?
Cheers
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Posted: Sat Jul 14, 2012 6:01 am |
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Joined: Feb 08, 2010
Posts: 10151
Trade Rating: +12
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| chris_87 wrote: |
.........
Does the immobiliser stop fuel? ..... |
| Seabook wrote: |
| well the fuel pump is linked to the immobilizer |
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Posted: Sat Jul 14, 2012 6:19 am |
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Joined: Jul 09, 2012
Posts: 21
Trade Rating: 0
Location: Wales
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| MrBSI wrote: |
| chris_87 wrote: |
The only other thing we can think of is immobiliser.... I'm guessing that would fit in with the intermittent starting? Once it's running it wouldn't matter, or would it? |
Its not the immobiliser.
If it was immobilised you wouldnt have been able to extract those fault codes from the engine ecu |
^ but that was also mentioned....
Anyway, if you bypass the fuel pump and just feed the fuel rail manually, would that then bypass the immobiliser? Or does the immobiliser affect more than just the fuel supply?...
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Posted: Sat Jul 14, 2012 8:19 am |
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Joined: Jul 09, 2012
Posts: 21
Trade Rating: 0
Location: Wales
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Think we found the problem!!
Got a multimeter on the fuel pump power supply, ignition on, 10v, turning over 8v... So power was getting to the pump, but no fuel coming out....
Just to confirm that's the only fault we needed a little hint of life... So unclipped the air filter, cap full of petrol in there and tried starting it with the acc pedal down... Life!!
So almost certainly Fuel pump is the only problem! Now to find one and get it fitted... All report back once it's done!
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Posted: Tue Jul 17, 2012 2:54 pm |
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Joined: Jul 09, 2012
Posts: 21
Trade Rating: 0
Location: Wales
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Latest update: new fuel pump in, still no fuel....
Got a multimeter on the wiring again, no power on any key position.. No idea what's happened to that?!
Put a permanent power supply straight to the fuel pump.... Car started straight up and works fine.....
So, the issue is 100% fuel related... The question is, why is the fuel pump not getting any power....
Immobiliser: does it do anything besides cut the fuel?
I've checked all fuses and everything appears ok.... Are there any relays affecting power supply to the fuel?
Anny other ideas?
Thanks
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Posted: Tue Jul 17, 2012 3:00 pm |
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Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England
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Are the BSI and ECU matched?
Does the ECU say locked or unlocked?
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Posted: Tue Jul 17, 2012 3:17 pm |
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Joined: Jul 09, 2012
Posts: 21
Trade Rating: 0
Location: Wales
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How would I know that... To both questions? It's worked before, and I'm assuming it's all standard, so should be matched?
Cheers
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Posted: Tue Jul 17, 2012 3:23 pm |
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Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England
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Using your diag tool. Or is it a cheapo one?
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Posted: Tue Jul 17, 2012 3:29 pm |
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Joined: Jul 09, 2012
Posts: 21
Trade Rating: 0
Location: Wales
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Ah right no - we used a snap-on reader, but it was borrowed so I can't check - is it likely to flag up an error? When the aa connected to it this weekend no errors came up... Everything had cleared after changing the vvt solenoid..
Thanks
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Posted: Tue Jul 17, 2012 3:37 pm |
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Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England
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You need to go into parameter measurements, not fault code reading.
Probably won't be able to do it with the snap-on as it's not good enough usually.
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Posted: Tue Jul 17, 2012 3:40 pm |
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Joined: Jul 09, 2012
Posts: 21
Trade Rating: 0
Location: Wales
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Hmm ok, would the aa have that? What would that actually tell us? Is it likely to help find the cause of no power to the fuel pump?
Thanks
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