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Introduction Volvo 850T no spark no injector pulse

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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flyingsquirrel
Posts: 6
Joined: 19 September 2019
Year and Model: 1995 850t auto sedan
Location: CO

Re: Introduction Volvo 850T no spark no injector pulse

Post by flyingsquirrel »

Thanks abscate,
What would be too low for voltage when cranking? With the old battery I was getting about 10.4V while cranking. I haven't had a chance to measure the new one yet.
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flyingsquirrel
Posts: 6
Joined: 19 September 2019
Year and Model: 1995 850t auto sedan
Location: CO

Post by flyingsquirrel »

I was able to get my wifi obd2 to record the voltage drop while cranking. It looks like it’s going well below 10V
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Voltage vs RPM while cranking
Voltage vs RPM while cranking
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