Question about 1983 Dodge Pickup

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Why is my fuel and oil gauge reading wrong

My oil pressure gauge reads 75% when there is no oil pressure sensor hooked up. help

Posted by Richard Fox on

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5 Related Answers

Richard Delahant

  • 1201 Answers

SOURCE: 4.7 liter oil pressure gauge malfunctioning.

Check or replace the oil pressure sending unit.

Posted on Feb 25, 2009

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Jeff3fg

  • 124 Answers

SOURCE: I have a dodge ram 1500, 2001, on my oil pressure

If you feel a difference in the vehicles performance it's probably not the sensor. Change the oil, and filter. Check the oil for metal flakes, shiny specs floating in the oil. Fill it back up one quart short. Add a quart of transmission fluid. Tranny fluid is a detergent, it will help clean any blockages and build up. Drive it for a week. Then change the oil again. If that doesn't fix it, you might have to drop the oil pan and clean that out. There should be a magnet in the pan. This collects metal that will harm your engine. Make you you clean it and put it back. Check the oil pickup, remove it and clean it out. Once you drop the pan, you will have access to the oil pump and it's sensor. Check them out to.

Posted on Mar 28, 2009

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Anonymous

  • 61 Answers

SOURCE: location of oxygen sensor

There is only 4 sensors on a 2000 dodge intrepid and the bank 2 sensor 2 is the sensor located on the right (passenger) side and the one located after the catalytic converter (the one close to the firewall).

Posted on Apr 22, 2009

BillB-SA

Bill Buchsbaum

  • 2761 Answers

SOURCE: 2004 dodge ram 4.7 no oil pressure reading until you turn it off

The oil pump either works or it doesn't, so it's not the problem. Check the wire connection at the pressure sending unit. The wire may be broken at the connector, or you may need to replace the sending unit.

Posted on Jan 01, 2010

Anonymous

  • 40 Answers

SOURCE: 1978 dodge fuel and oil pressure gauges are

Check the wires to the senders for grounding Those gauges have a power lead to gauge then to sender. The more the sending unit "grounds" the higher the gauge reading

Posted on Jun 02, 2010

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2 Answers

2004 dodge ram 1500 itl pulling into my drive heard an alarm looked my oil pressure gauge bottomed out gave a little fuel pressure gauge went back up there was no knocking or noise
Hook up a manual oil pressure gage and verify the oil pressure.

Oct 30, 2017 | Dodge Cars & Trucks

1 Answer

Oil pressure gauge reading between half to three-quarters too high it doesn't go too low pressure just read hi anywhere between half to a very high
replace the oil pressure sender unit ( not the pressure sensor unit) as it appears to be faulty and stuck giving the wrong reading.

Jan 25, 2015 | Cars & Trucks

1 Answer

Ford aerostar troubleshooting
It could be any number of things, most likely cause is you have a oil sending unit that is wore out and giving false readings. Either buy a new sending unit and change it out or hook an oil pressure tester to your engine and check the oil pressure.
I'd buy a new sensor and replace it myself, because the vehicle is 23 years old and probably the original sending unit, besides the oil sending unit has to be removed in order to check pressure with mechanical gauge anyway.

Sep 20, 2017 | 1994 Ford Aerostar Extended

2 Answers

My 2001 Ford Ranger Edge oil pressure gauge has been jumping around all over the place. Took it in today and they said pump needs replacing... and that they had to remove the engine to do so at the tune of...
Your oil pressure gauge works with the oil pressure sensor, which is screwed into the block, to transmit a reading. A faulty oil pressure sensor can cause the reading on the gauge to be erratic. You may have a bad oil pressure sensor. You should also inspect the wires going to the sender to make sure they are not loose, corroded, or shorted. If a new sending unit doesn't work, you can check the oil pressure with a manual pressure gauge. Testing for oil pressure involves fitting the oil pressure gauge with an adapter. Then you will need to determine if you have a gauge problem or an actual oil pressure problem.

Oct 22, 2013 | Ford Cars & Trucks

4 Answers

Have a 1986 nissan 300zx V6 non turbo wont start, hear fuel pump runnung no oil pressure on gauge replaced oil pressure unit still wont start any helpful advise
a oil gauge reading maybe delayed until car starts and builds good oil press.Did you check for spark
was car running good before this happened? Do you have a rpm reading when cranking car?

Nov 02, 2011 | 1986 Nissan 300ZX

1 Answer

Po190 lincoln 2003 ls
DTC P0190 - Fuel Rail Pressure Sensor Circuit Malfunction
Check fuel pressure with a mechanical gauge and check the reading of the Fuel Rail Pressure (FRP) sensor on the scan tool.

When cycling the ignition switch from the off to the run position without starting the engine, the fuel pressure measured on the fuel gauge should match the reading of the FRP sensor on the scan tool.

If the mechanical gauge reading is showing to more than 2 psi higher than the FRP sensor input, replace the FRP sensor.

If the values match, start the engine. With the engine idling, the mechanical gauge will indicate about 10 psi different than the FRP sensor but when the vacuum line at the sensor is disconnected, the values should again match each other.

If the pressure reading matches the FRP sensor reading and the pressure is showing a reading of 30-45 psi Key On, Engine Off (KOEO) and at idle, check for a possible fuel quality issue.

Also check the engine temperature input reading from the Engine Coolant Temperature (ECT) sensor to verify it shows a believable temperature reading.

Possible Causes:
FRP sensor connector is damaged (check pins for damage, and for moisture)
FRP sensor reference (5v) circuit is open or shorted to ground
FRP sensor has failed
Vacuum leak(s) present in the engine

I hope this helps; remember to rating this and just keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment.

Have a nice day and thanks for using FixYa.
Jose.

Oct 17, 2011 | 2003 Lincoln LS

2 Answers

1999 Mazda 626 V6 Car has an high idle and when running continues to **** off and drive itself if foot is not on the brake. HELP Please!!!!
Sounds like you have a bad fuel pressure regulator.First pull the vacuum hose off of the pressure regulator and look for fuel if any fuel runs out of it replace the regulator.Then if no fuel ran out, hook a fuel gauge to fuel rail and start engine and look at gauge reading and then pull the vacuum hose off and gauge reading should jump up 5-10 psi if it does'nt replace regulator.

May 04, 2011 | 1999 Mazda 626

2 Answers

I have a 2000 blazer lt 4wd. when i start it the oil pressure reads 40. after i start driving it slowly drops to 20 asnd fluxuates around there while i am driving. once i stop at a red light it drops to...
ur oil sending sensor is bad it reeds the oil pressure

Apr 15, 2011 | Chevrolet Blazer Cars & Trucks

1 Answer

Oil gauge on a 2003 gmc sierra is reading beyond 80, its all the way down. could it be serious? Just had oil change last week.
I'm assuming that this reading is at idle? The range for oil pressure is more like 30-40PSI at idle and 10-20 more at speed. The reasons your pressure is reading too high could be:

--The gauge or the sensor itself is bad (not uncommon)
--The mechanic used the wrong oil viscosity when changing your oil, and the thicker oil than specifications call for is causing higher pressures.
--The mechanic accidentally knocked off the wire to the oil sensor when changing the oil
--A bypass valve in the pump or filter is clogged and causing the high pressure.

This is a relatively new car and if this problem developed immediately after the oil change I'd suspect the wrong oil was used or the wire to the sensor was knocked off. If the problem developed near the oil change, but not right after, I'd suspect it was coincidence and that there is a problem with the gauge. Go back to your mechanic.

Nov 25, 2010 | GMC Sierra 1500 Cars & Trucks

1 Answer

1999 Grand Cherokee Laredo V-8
it sound's like you have the wrong sensor for the application

Mar 08, 2010 | 1994 Chevrolet S-10 Blazer

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2004 dodge ram 1500 itl pulling into my drive heard an alarm looked my oil pressure gauge bottomed out gave a little fuel pressure gauge went back up there was no knocking or noise

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