General: 70: - V70 1997 2l 126hp

Ulvestad · Dec 3rd, 2019, 08:02

hello!
My v70 starts up normaly when it is cold but dies out when the temperature rises, and when it shuts off it wont start again before it is cold again. i changed my plugs and my termostat. do someone know what the problem is?
Thank you!

Dippydog · Dec 3rd, 2019, 08:21

If this were on my Vauxhall Omega I'd say it was an early sign of crankshaft position sensor failure but I don't know if Volvo sensors react in the same way.The best bet is to get the codes[if any]read before diving in changing parts on the off chance of finding the fault that way.

Luxobarge · Dec 3rd, 2019, 08:39

Faulty or disconnected coolant temperature sender? It's fairly easy to monitor the resistance of these with a multimeter, do it when hot and when cold, and if the readings are the same (or similar) then it's faulty.

turboboy · Dec 3rd, 2019, 08:55

Quote:

Originally Posted by Luxobarge

Faulty or disconnected coolant temperature sender? It's fairly easy to monitor the resistance of these with a multimeter, do it when hot and when cold, and if the readings are the same (or similar) then it's faulty.

That was my first thought.

volvo2 · Dec 4th, 2019, 08:49

Could it be the fuel pump controller / relay? I had a similar issue. It is worth noting that this unit is more than a simple relay.

Dec 3rd, 2019, 08:02	#1
Ulvestad New Member Last Online: Dec 3rd, 2019 08:02 Join Date: Dec 2019 Location: Volda	V70 1997 2l 126hp hello! My v70 starts up normaly when it is cold but dies out when the temperature rises, and when it shuts off it wont start again before it is cold again. i changed my plugs and my termostat. do someone know what the problem is? Thank you!

Dec 3rd, 2019, 08:39	#3
Luxobarge Premier Member Last Online: Today 12:07 Join Date: Jan 2011 Location: Horne (Nr. Horley)	Faulty or disconnected coolant temperature sender? It's fairly easy to monitor the resistance of these with a multimeter, do it when hot and when cold, and if the readings are the same (or similar) then it's faulty. __________________ Some people are like Slinkies, they serve no useful purpose but they still bring a smile to your face when you push them downstairs.

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Dec 3rd, 2019, 08:21	#2
Dippydog Premier Member Last Online: Today 11:05 Join Date: Jun 2016 Location: S****horpe	If this were on my Vauxhall Omega I'd say it was an early sign of crankshaft position sensor failure but I don't know if Volvo sensors react in the same way.The best bet is to get the codes[if any]read before diving in changing parts on the off chance of finding the fault that way.

Dec 4th, 2019, 08:49	#5
volvo2 Master Member Last Online: Today 12:25 Join Date: Nov 2001 Location: Evesham	Could it be the fuel pump controller / relay? I had a similar issue. It is worth noting that this unit is more than a simple relay.

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