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cranks but will not start

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 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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Posts: 14798
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Year and Model: Many Volvos
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Re: cranks but will not start

Post by Ozark Lee »

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.

...Lee
'94 850 N/A 5 speed
'96 Platinum Edition Turbo
Previous:
1999 V70XC - Nautic Blue - Totaled while parked.
1999 V70XC - RIP - Wrecked Parts Car.
1998 S70 T5
1996 850 N/A
1989 740 GLT
1986 740 GLT
1972 142 Grand Luxe

satch77
Posts: 5
Joined: 29 October 2009
Year and Model: 1999 v70xc
Location: new york

Post by satch77 »

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.

Craigd2599
Posts: 419
Joined: 10 January 2009
Year and Model: 2007 S40.
Location: Lynchburg VA
Has thanked: 3 times

Post by Craigd2599 »

yeah that thing. It did keep mine from starting
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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