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I recently purchased a 1984 244 Volvo DL, I believe it has the LH Jet-tronic injection. I don't know a whole lot about the cars past, other than it has new catallytic converter and exhaust/muffler. The car has 210k on it, and has been a gem for three months, all of the sudden I was driving it a short distance 5-6mi (several stop and go lights) to work and I noticed only twice in accelleration a miss or hesitation??? About an hour or so later I drove home and immediately while trying to accellerate the car was hesitating very badly under a load, I nursed it up to speed but had trouble going about 2500 rpms. The car continued to hesitate under a load until I got home. I suspected a fuel filter, pulled the fuses and ran the car out of gas to depressurize. I replaced the fuel filter, tried to restart the car only to have it run very briefly and run out of gas again. I checked fuses, and tested the pumps by jumping the terminals on the fuse center (drivers side kick panel). I also tested the pumps by jumping the terminals on the relays, I suspected the relays to be bad, replaced both the system relay and fuel pump relay, I still turn on key and do not hear pumps running, I can only run the pumps by jumping the terminals. Does anybody have any ideas? Thank you in advance for any advice
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