Had the oil pressure mechanically checked by my mechanic. He says it was fine. 40+ cold - 22 at temp. OP on cold start idle = 40+. At operating temp on hwy = 40. At idle (in drive) after warm = right at red indicator.Check Gauges light comes on. At idle in Neutral = 15-20. When I take off again = 40.
Replace the electronic components
SOURCE: Instrument gauges in 2004 envoy
ours did this, it was the guage cluster that went bad. It's about $600 to replace
SOURCE: all my gauges dont work
Hi Ed, I also have a Jeep YJ Wrangler and the design of the connector into the gauge housing isn't very good! If you take the plastic dash housing off the gauge area and then take the housing out of the metal dash you will see where the connector plugs in or in your case should be plugged in! It sounds like the connector has lost contact or has come out of the housing all together. It really is a simple process! There are phillips head screws on the top and bottom of the dash cover. Remove them and the cover will come off. There are small plastic tabs on the sides of it that help hold it tight, be careful not to break them off! Then there are more screws that hold the plastic housing into the metal dash. Remove them and you will be able to see behind the gauges. Remove the connector and then re-insert it back into the housing. Make sure it snaps in securely. At this point you can turn the key to the on (not the start!) position and see if the gauges activate. Re-assemble in the reverse order and you should be good!
I hope this helps,
map6260
SOURCE: GAUGES GO CRAZY AND SOMETIMES VEHICLE WON'T START
Poor grounding can cause many of the conditions you have listed. When checking power with a volt meter, this goes unnoticed because the meter does not draw enough amperage to cause the bad connection to break contact. Your battery is grounded to the engine block and also has a small lead to the fender. Many components have individual ground leads as well (including most computers) I would check all ground leads and clean the contact surfaces with sandpaper or a wire brush. Adding an additional ground wire is a good idea as well. Don't forget that the dash board frame must also provide a good ground as well.
Many times this is all you need to do...sometimes though, control modules can be damaged because in having a partial ground, they build up heat, due to additional resistance in the circut.
This may or may not cure your problem, but it's worth checking out. Grounding is often overlooked, especially if it has not completely broken down.
SOURCE: Oil pressure reads high 40 to 60 psi, guage never flucuated this much before new engine
try another earth cable ?? straight to engine and chassis
SOURCE: Come to stop 99 Ram oil pressure drops to 0 check gauges light.
Change the oil! The 318Cu in V8 (5.2 liter) engine has a problem with sludge build up on the oil pump pickup tube screen. This engine requires oil changes at or before 3500 miles with a high detergent oil.
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5.7 L K1500 4x4
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