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Crank no start...... but will start

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Littlelegs
Posts: 5
Joined: Mon Jun 01, 2020 12:59 pm
Year and Model: V70 T5 2001
Location: East Anglia

Crank no start...... but will start

Post by Littlelegs »

Hi everyone, so this is my first forum ever ! Please be patient with me 🙏

I have recently purchased a V70 T5 2001 manual ... it has a few issues of which I’m working my way through.
The biggest issue I have at the moment is .. it will crank but no start.... however if you mess with the cranking times with the key it will start. Once started it’s perfect. I have good pressure at the rail, I’ve changed all injectors, it has a new crankshaft position sensor, a new cam sensor, new battery.
Any ideas where to go next.... many thanks
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vtl
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Joined: Thu Aug 16, 2012 1:35 pm
Year and Model: 2005 XC70
Location: Boston
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Re: Crank no start...... but will start

Post by vtl »

Old starter may create a lot of interference in crankshaft position sensor. ECU does not see CPS -> does not know when to start firing.
05 XC70 265k, 16 XC60 45k, 19 Tundra 5k
Littlelegs
Posts: 5
Joined: Mon Jun 01, 2020 12:59 pm
Year and Model: V70 T5 2001
Location: East Anglia

Re: Crank no start...... but will start

Post by Littlelegs »

Thanks for that, will be my next job 👍
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darrylrobert
Posts: 369
Joined: Fri Mar 06, 2020 6:25 am
Year and Model: 2001 v70xc M58
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Re: Crank no start...... but will start

Post by darrylrobert »

Interference is most likely. does it do it in hot weather? above 25c. Have you had the "start inhibited try again" message then check the key transponder/imobiliser.
1981 260 GLE converted to 240 M46 after auto box failure
1987 740t auto converted to M47
1997 V70t5 auto converted to M56
1998 V70 factory M56 (parts car)
2001 XC70 factory M58
2002 XC70 auto (parts car)
Littlelegs
Posts: 5
Joined: Mon Jun 01, 2020 12:59 pm
Year and Model: V70 T5 2001
Location: East Anglia

Re: Crank no start...... but will start

Post by Littlelegs »

Hi there
Thanks for the reply.... I should have added that I’ve changed the halo as the very first job. Also I’m in England so 25c doesn’t happen that often 😂🤣😂
I’m waiting for delivery of my new starter and will let you know how it goes. Thanks again
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darrylrobert
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Year and Model: 2001 v70xc M58
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Re: Crank no start...... but will start

Post by darrylrobert »

I dont think its the starter as much as the Crank sensor wiring that goes near it. If my car continues to exibit this "hard starting" that will be my next attempt at a fix. Also removing the ECM and cleaning the pins.
1981 260 GLE converted to 240 M46 after auto box failure
1987 740t auto converted to M47
1997 V70t5 auto converted to M56
1998 V70 factory M56 (parts car)
2001 XC70 factory M58
2002 XC70 auto (parts car)
Littlelegs
Posts: 5
Joined: Mon Jun 01, 2020 12:59 pm
Year and Model: V70 T5 2001
Location: East Anglia

Re: Crank no start...... but will start

Post by Littlelegs »

Hi everyone
Just an update.... many thanks for the advice on the starter motor.... have changed it for a new one.... instant starting.....
Many thanks
Steve
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darrylrobert
Posts: 369
Joined: Fri Mar 06, 2020 6:25 am
Year and Model: 2001 v70xc M58
Location: australia
Has thanked: 3 times
Been thanked: 20 times

Re: Crank no start...... but will start

Post by darrylrobert »

Nice, when you had the starter out did you notice any build up of what looks like clutch disk material in the bellhousing?
1981 260 GLE converted to 240 M46 after auto box failure
1987 740t auto converted to M47
1997 V70t5 auto converted to M56
1998 V70 factory M56 (parts car)
2001 XC70 factory M58
2002 XC70 auto (parts car)
Littlelegs
Posts: 5
Joined: Mon Jun 01, 2020 12:59 pm
Year and Model: V70 T5 2001
Location: East Anglia

Re: Crank no start...... but will start

Post by Littlelegs »

Not to any great amount, flywheel teeth were a bit worn and getting the intercooler pipe back on the throttle body was a pig.....
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