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Old Feb 22nd, 2019, 17:19   #38
Laird Scooby
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Last Online: Yesterday 23:44
Join Date: May 2012
Location: Lakenheath
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Quote:
Originally Posted by haymitch View Post
Could someone help me with this problem again please? Sadly it has reoccurred

A few months ago I had the coolant temperature sensor changed on my Volvo 940 and also tried putting some meths in the tank. The car had been better since then.

The car has the same symptoms. The car sounds like it's going to start, splutters if you put the foot on the accelerator pedal but doesn't get going. I managed to get myself home yesterday by using some starter fluid, but same problem again. The strange this is that the weather hasn't been very cold this week. Once the car has had a good run it can be started again without a problem.

I have tried reading the codes using Loki's special code reader, but there are no codes coming through.

I think the new coolant temperature sensor may have failed again because I've read on these forums that there are some low quality sensors around and that coolant temperature sensors can fail without registering any codes. Also, I thought the following might be worth trying:

- Cleaning the MAF sensor
- Try some more methylated spirts in the fuel tank, but I have tried this before.
- Clean the throttle body
- Replace the fuel filter
This sort of suggests a fault elsewhere - can you hear the fuel pumps running just after releasing the key when trying to start it? You should hear them hum for a couple of seconds after letting go of the key.
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Dave

Next Door to Top-Gun with a Honda CR-V & S Type Jag Volvo gone but not forgotten........
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