klcammie

Your right there was a damaged wire. Did repairs and got to test drive it in the rain , so far no more trouble. Thanks for the advice and replies.

When I did mine I got the gasket at the turbo to make it easier to change the hose.

I love my rv275s. Easy upgrade, nice little boost of power, small mpg gain. If you do go for them get genuine Bosch. They aren't much more than others.

Good write up. Thanks for the info.

What year truck? My 01 would shut the fuel pump off due to a loose connection. Is lift pump still running off ecm? Maybe needs a relay.

I drive semi for a living, we use 15-40 year around. I don't go where it gets hot much, but do go to the north end of Michigan peninsula in winter never had any problems.

Another update. After reading articles here one thing I read was to do a "wiggle" test on the wiring to try and recreate problem. Tried could not recreate but got a small spark when oil pressure sensor wires touched the fitting to the lift pump. So tear down stuff on side of engine to reach and work on wires. Did not find any rub spot or break in wire, so wrapped each wire with tape, then all three together, then put split loom on. Did same to map sensor, put truck back together go for a ride. Roads not quite as wet as this morning but no problem with sensors. Back to waiting for a good rain to drive in.

If you have 98.5 to 2000 check the big connection on the firewall the one with a white bale. The bale must be all the way to the left. On mine it was in the middle and was causing loss of signal to ecm. The ecm would shut off power to the lift pump causing truck to die from lack of fuel. Took me 3 weeks to trace down the problem.

Well no went for a drive in the rain problem still persists. Going nuts.

WiscoRedneck, Yes I did check the only thing I noticed was when shined light from sensor side I could see light on wire side. So put silicone on wire side and die-electric grease on sensor side. I cleaned plug as best I could. Yesterday it got warm enough to melt some snow and I went out for a 2 hour drive on wet roads and the problem did not occur. Will see when it rains next week. I do see a little higher oil pressure with the new sensor.

Tmi

Check your crank case vent, the fan can blow oil all over the front of engine then it drips down. Also check the seal between the vacuum and power steering pumps. The only thing else I can think of is the valve cover. Can you post a picture of the leak?

Follow up, sensor still acting up. Got new one from Geno's . Installed yesterday, also cleaned map sensor and wiring to boost fooler. So back to waiting for the rain again.

I agree. IBM diagram is the cats meow. Did it for my truck, fuel pressure is very steady.

My truck has the cut out for the sport lights so no cutting or mods. The link is in this column. I'm on my phone and can't cut and paste. Look under heading for best headlights. About three topic below this one. The link is diesel auto power.com/standard-to-sport-edition-headlight-conversion-9402spch/

Don't know if this helps, but seen a T push loc on diesel auto products.

I have 4 push loc fitting on fuel line all have clamps. Sort of like belts and suspenders.

Just finished cleaning. Didn't find much wrong but cleaned and grease. Will see next time it rains. Thanks for the info.

Thanks. I'll get after it after my coffee. Got to wait for garage to warm up.

Last night oil gauge started dropping to bottom of gauge tripping check gauges light and chime. Since it was raining I'm thinking loose connection. My question Where is the sensor? I tried to find it on the parts lookup. It is listed as number 12 but picture only goes to 11. Want to clean the connection.

Just finished installing new headlights from SAP. These are the ones from the link you supplied. First picture is before second is after. Headlights were good quality and came with bulbs. Even better my Brother box works with them.

Did you disconnect battery while doing the work. Sometimes you need to reset the aps. Also check the connection to the VP 44 after I fixed my tappet cover mine wouldn't start. The connection was loose.

Also check the connection to the VP 44 after I fixed my tappet cover mine wouldn't start. The connection was loose.

Where are you at? Southeast Ohio, Near where I 70 and I 77 meet. Place called New Concord. Thanks will look into this.

Hey does anyone know if you can still rent a Smarty to turn on high idle. I finally have the money to but Mike's mpg fooler but need to enable high idle first.