Jul 20, 2025 · Look for any pinched, frayed, or disconnected wires, especially those tied into the lift pump circuit. A common issue is a wire getting tugged loose or chafed during the starter removal.

Sep 24, 2024 · I’m new here and have a 12v from a 93 w250. im pretty mechanical and I’m trying to learn as much as I can about this motor. Luckily there are forums like this with all you fine folk I found …

May 10, 2010 · think about an inline pump and filter system. prefilter/water separator first before pump and 2 micron after the pump. the stock 7 micron does not protect your expensive injectors and engine.

Jul 4, 2009 · The vacuum pump has gone and I have read in the 911 forum on what the repair is going to cost and what the part numbers are. My comment / question is, "Is this very common?" I have …

May 25, 2009 · the 316-6863 fuel transfer pump gp,316-6864 fuel transfer pump gp if bypass fuel pressure is below the minimum spec, can be updated by the installation of the 339-4983 stiffer spring …

Aug 14, 2013 · 175 pump has the same cam profile as the 160 pump, meaning it responds well to high fuel pressure. You'll notice the most gains from high fuel pressure in the 2500 rpm to 4000 rpm range.

May 17, 2012 · Hey everyone I am about to replace the pump on my 95 motor and am needing help. I understand most everything other than setting the motor and installing the timing pin in the pump …

Aug 29, 2012 · Motor obviously wasn't getting fuel. Turned key to on, no lift pump noise. Had it towed home. Tore out and replaced lift pump, now getting fuel to the injector pump (at least at the inlet …

May 13, 2015 · The lift pump will run when the key is turned on. It does not really matter about trying to start then turning off / back on. Supposedly it is 450mil in 25 seconds. However, as stated above, this …

Nov 22, 2013 · The 190hp pump I have is a 848. It has the low fill rate cam of the 160hp pump and notched plungers of the 215hp pump. 1998.5 QCDRW - p24v 180hp pump, 6x.013's, ATS T4 …