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How do you guys check the fuel pump? I have the original pump with 200,000 miles on it.
Good effort! I'm sure someone will chime in with more details, but there is a pressure test and a volume test. My pump passed the volume test (simply undoing a fuel line, and catching the diesel that comes out while turning the engine over), but I didn't have a pressure gauge to test it with - and as the gauges were twice the price of a new pump, I just went ahead and replaced the pump. Sure enough, I had a leaky diaphragm, so the volume was OK under no-load, but wouldn't pump enough fuel (or would add air) when under load.
200k miles on a stock lift pump.wow.
good maintenance call to just replace it for the 30-40$ in this case?
Yep as well as the glow plugs cause i have been getting 5 sec wts light and just raplaced the thermostat original as well same with the upper rad hose. The truck has been babied.
My first one I couldnt keep running at idle, had to rev it up a red lights and it just kept getting worse until I got home (about 12 miles) The second time It just wouldnt start and I got no smoke coming out of the pipe.