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1999 S70 starts, then loses power and dies, IAT sensor code

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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Year and Model: Many Volvos
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Re: 1999 S70 starts, then loses power and dies, IAT sensor c

Post by Ozark Lee »

What is a VOM?
Volt Ohm Meter, I guess the current versions are all digital and DVM (Digital Volt Meter) is a better term but I'm kinda old school. I have both versions and sometime the old analog meters can give you better information off of sensors.

...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

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asummers
Posts: 238
Joined: 18 July 2007
Year and Model: many
Location: Knoxville, Tn

Post by asummers »

Yes,progress has been made! Finally got time to trouble shoot my fuel system. And the culprit seems to be the fuel pump relay. I jumpered the #15 and #87 spade points and the fuel pump ran, and the car started and ran! So, now it is either replace the relay with a $36 one from FCP Groton, or do the capacitor replacement that I saw somewhere. I think it is here on Matthews, but haven't located it yet.
2004 Volvo XC90 AWD - 170,000 miles
2010 Volvo XC60 AWD - 145,000 miles
1996 Volvo 850 Platinum - 201,500 miles - KILLED BY UNINSURED DEER _

Ozark Lee
MVS Moderator
Posts: 14798
Joined: 7 September 2006
Year and Model: Many Volvos
Location: USA Midwest
Has thanked: 4 times
Been thanked: 75 times

Post by Ozark 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

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