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cranks but will not start

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.
1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70
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Ozark Lee
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Re: cranks but will not start

Postby Ozark Lee » Sat Oct 31, 2009 3:33 pm

Otherwise known as the ECT (Engine Coolant Temperature) sensor but I have never had a bad ECT keep the car from starting. The giveaway symptom on that failure is that the radiator cooling fan runs full time and continues to run after the car is shut off.

'94 850 N/A 5 speed
'96 Platinum Edition Turbo
'98 S70 T5
'99 V70XC - RIP - Wrecked Parts Car.
'99 V70XC - Nautic Blue
'96 850 N/A
1989 740 GLT
1986 740 GLT
1972 142 Grand Luxe

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Re: cranks but will not start

Postby satch77 » Sat Oct 31, 2009 3:45 pm

my friend brought over his old snap on scanner,and it shows coolant is at 61 degrees which it is outside.we noticed throttle % reads 20.7 with the gas pedal not even touched.does this seem right.when pressing down on gas pedal % reading does not change at all.could this be a problem with the tcm possibly.

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Year and Model: 2007 S40.
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Re: cranks but will not start

Postby Craigd2599 » Sun Nov 01, 2009 10:58 pm

yeah that thing. It did keep mine from starting
[color=#0000FF]Craig D
Philly Boy in Lynchburg VA
2007 S40 Previously: 2 850's and an S80
Waiting for that "R" model barn find

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