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27th February 2021, 13:58 | #1 |
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KV6 2.5 non-starting
Just been round to a mates to have a look at his 2.5 auto which won't start.
There's plenty of fuel (over half a tank) and I can hear the fuel pump running when the ignition is turned on). I scanned the car with TOAF and found the following errors: I presume that the issue is the camshaft position sensor which is causing the engine not to start, so a replacement sensor should remedy the issue, but what do the 02 sensor heat circuit errors relate to, I'm not familiar with the KV6 as my own car is a diesel. Regards, Steve
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27th February 2021, 15:00 | #2 |
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I would put the new cam sensor on her and then clear the error codes - go for a drive and see if they re-appear.I would assume if there is an issue the engine light will come on/flash.
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27th February 2021, 15:43 | #3 |
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I did ask if there had been any warning lights on the IPK or any other strange behaviour, such as difficult to start or poor fuel consumption and he said it'd been OK, parked it up one evening and the following morning wouldn't start.
That is the plan, replace the cam sensor, which he's ordered this afternoon from DMGRS, I'll fit it when it arrives, clear the error codes and see what happens Steve
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Born 22nd February 2005, 221st of 239 Starlight Silver 75 Contemporary SE 2.5 V6 automatic saloons built |
27th February 2021, 16:25 | #4 |
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Check that the wiring as not chaffed on the heat guard on the exhaust sensor, i have seen that before.
1 2 3
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27th February 2021, 18:51 | #5 |
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Thanks for the tip about chaffed wiring, once we get the car mobile I'll raise it up so we can have a look at the sensor wiring for signs of damage,
Steve
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Born 22nd February 2005, 221st of 239 Starlight Silver 75 Contemporary SE 2.5 V6 automatic saloons built |
27th February 2021, 21:24 | #6 | |
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Quote:
One of you friends VIS motors is reporting a fault, confirm by going into the engine menu and activate the VIS motors. You need the bonnet open as you won't get anything on the computer, if all is well you should hear 4 sweeps as each motor activates. Contact Stocktake if you need replacements. And check the fan too, also engine menu, move the slider mid-way and press start checking low/medium/high speed (for 3 speed fans). Regards |
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27th February 2021, 21:30 | #7 |
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Here's a "maybe"-----You say you can hear the fuel pump running but what if it's coming apart??
Clip needed. PS. Just a guess as I have a diesel.-- |
28th February 2021, 20:28 | #8 | |
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Quote:
I'll also run a check on the cooling fan function. Steve
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28th February 2021, 20:59 | #9 |
I really should get out more.......
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Unfortunately standard VIS motors do have a short life span - read something about Rimmer Bros had a limited warranty on them. However, forum member Stocktake supplies upgraded VIS motors which do last, cost a bit more but I wouldn't go anywhere else.
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1st March 2021, 11:08 | #10 | |
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Quote:
Cooling fan 2 can refer to the medium speed on a 3 speed system. If your friend's car has a 2 speed system, it won't have a medium speed and so T4, and possibly TOAF too, thinks there's a fault. You can tell if it's a 2 speed system by the presence of a resistor visible through the radiator grille. Simon
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