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2004 C70-stalling/won't run - Immob issue (split topic from fuel pump thread)

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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jenkinskg
Posts: 238
Joined: 3 July 2015
Year and Model: 04 c70 hpt 98 s70 xc
Location: United States
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2004 C70-stalling/won't run - Immob issue (split topic from fuel pump thread)

Post by jenkinskg »

Seems like this old issue was just immobilizer
Going to try some contact fluid on my antenna
2004 c70 2.3HPT, s60 2.5T

jenkinskg
Posts: 238
Joined: 3 July 2015
Year and Model: 04 c70 hpt 98 s70 xc
Location: United States
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Post by jenkinskg »

So here is the magic I do now
chip is on antenna under dash

Turn key to pos 2 count to 3
turn key off count to 3

start like normal

Seems immobilizer needs a few secs to read chip, then all is good

done it like this 10 times so far, no failed starts yet

04 s60 works totally different
2004 c70 2.3HPT, s60 2.5T

jenkinskg
Posts: 238
Joined: 3 July 2015
Year and Model: 04 c70 hpt 98 s70 xc
Location: United States
Has thanked: 1 time
Been thanked: 1 time

Post by jenkinskg »

Above method still working after 15 or 20 restarts
2004 c70 2.3HPT, s60 2.5T

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