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S70 B 5254 S Cranks, Won't 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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jblackburn
MVS Moderator
Posts: 14043
Joined: 8 June 2008
Year and Model: 1998 S70 T5
Location: Alexandria, VA
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Re: S70 B 5254 S Cranks, Won't Start

Post by jblackburn »

berley wrote:All excellent information! Now I have lots of things to test tonight. I will definately let everyone know what I discover. Have a GREAT day!

I have read that a bad coolant temp sensor will prevent starting, is it like the cam sensor in that there will be no spark or fuel if it is bad??

Thanks Bob
There will be fuel, but too much/too little of it, depending on what reading the sensor is giving the ECU.
'98 S70 T5
2016 Chevy Cruze Premier

A learning experience is one of those things that says, "You know that thing you just did? Don't do that."

mercuic: Long live the tractor motor!
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berley
Posts: 13
Joined: 23 April 2013
Year and Model: S70 1998
Location:

Post by berley »

I GOT IT RUNNING! Thanks for all the help. I think the change that finally "fixed it" was resetting the fuel trim values by disconnecting/shorting the battery. The P0505 and P0172 codes came back, but I think I will start a new post for that.

Thanks again!!
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