Volvo 245 K Jet stalling and intermittent start issues
#1
Volvo 245 K Jet stalling and intermittent start issues
Hi all,
Brand new to the forum. I have searched far and wide trying to diagnose my 1982 240 wagon K-Jet and am striking out. The other day the car died on my wife while going up a pass and then wouldn't restart. I got to it after sitting and it started up and I drove it home another 50 miles. 1 mile from home it started sputtering and lost power then died again. By this time it was very hot out and i had noticed the temp gauge started going up as well. Couldn't get it restarted so i went and tried it much later after it had cooled off outside. It started up and limped home, chugging a bit.
First thing i thought was to replace the fuel pump relay. The old relay had signs of overheating at the main power supply terminal. I thought that had to be it. So i replaced it, and tested the car up to operating temps and WOT several times. It seemed fine. I felt the relay and it did seem to get a little warm but nothing too concerning. Drove it for an hour and now am noticing that after the car has been sitting in the sun and heat it will turn and turn but won't start. It starts up in the morning but for a long time it has taken two tries. First try it catches but dies immediately. Second try starts it up fine. Also, after the hour drive the other day it started idling very high and holding (guessing around 1500-2000 rpms) even after i gassed it a couple times thinking the throttle cable had just caught.
I ran a jumper on the fuses to both fuel pumps several times and could hear that they are both working. However, I have noticed a sporadic cavitation sound from the main pump. Also replaced fuses for both pumps and flame trap. Recently replaced plugs and wires. Did drain and fill of coolant. I am sort of stumped. My next thought is to do the fuel filter and clean IAC? Any thoughts on why a cold engine but warm car is causing a no start condition?
Brand new to the forum. I have searched far and wide trying to diagnose my 1982 240 wagon K-Jet and am striking out. The other day the car died on my wife while going up a pass and then wouldn't restart. I got to it after sitting and it started up and I drove it home another 50 miles. 1 mile from home it started sputtering and lost power then died again. By this time it was very hot out and i had noticed the temp gauge started going up as well. Couldn't get it restarted so i went and tried it much later after it had cooled off outside. It started up and limped home, chugging a bit.
First thing i thought was to replace the fuel pump relay. The old relay had signs of overheating at the main power supply terminal. I thought that had to be it. So i replaced it, and tested the car up to operating temps and WOT several times. It seemed fine. I felt the relay and it did seem to get a little warm but nothing too concerning. Drove it for an hour and now am noticing that after the car has been sitting in the sun and heat it will turn and turn but won't start. It starts up in the morning but for a long time it has taken two tries. First try it catches but dies immediately. Second try starts it up fine. Also, after the hour drive the other day it started idling very high and holding (guessing around 1500-2000 rpms) even after i gassed it a couple times thinking the throttle cable had just caught.
I ran a jumper on the fuses to both fuel pumps several times and could hear that they are both working. However, I have noticed a sporadic cavitation sound from the main pump. Also replaced fuses for both pumps and flame trap. Recently replaced plugs and wires. Did drain and fill of coolant. I am sort of stumped. My next thought is to do the fuel filter and clean IAC? Any thoughts on why a cold engine but warm car is causing a no start condition?
Last edited by kilagram; 08-27-2020 at 10:14 AM.
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