Last post on Aug 05, 2013 at 5:49 AM
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Ford Ranger, Truck
#2500 of 2995 Oil pressure giving high & low readings.
May 08, 2007 (9:18 am)
I have a 1995 Ford Ranger 2.3 with about 175,000 miles on it. The oil pressure has been reading pretty low on the gauge (lower than the little oil can in gauge) but the oil is right up to the correct level on the stick..doesn't burn any oil & the head was rebuilt about 10,000 miles ago. The truck runs super cool & lately the oil pressure has been back up to where it normally is on the gauge. I change the oil every 3,000 miles if not less 20/50.
#2501 of 2995 Re: Oil pressure giving high & low readings. [frohrs]
May 08, 2007 (9:46 pm)
The oil pressure gauges in Rangers are not true gauges at all, they are just off/on switches. If the oil pressure sensor 'sees' about 5 pounds or more of pressure, it sends a voltage to the gauage. The gauge will then basically register it's one pre-set 'position'.
When I bought my 1994 Ranger, I thought it had 'great' oil pressure since it ran about 3/4 gauge. Then, after running the car on a hot summer day, and letting it idle (in gear with AC) running, there was the oil pressure gauge indication 3/4 gauge. Rev the motor - the gauge didn't move. I knew better - at idle a hot engine is going to drop oil pressure, at lot.
That lead me to read up on the gauge a little more. It's not a gauge, it's an off/on switch. Useless to actually 'see' any variation in oil pressure.
If yours has changed the amount of deflection shown, it's not because of pressure change. It's probably due to some change in the internals of the gauge itself.
The only variables are the pressure sensor (which is either off or on), the connector to the sensor, the wiring in between, and the gauge.
#2502 of 2995 Re: 99 Ranger 3.0 4X4 [jeffreymn]
May 29, 2007 (8:19 am)
There is an additive for the rear diff that helped my 02..It fixed it imedaitely....Abell2
#2503 of 2995 Re: '88 Ranger 4x4, 2.9ltr, Fuel & Temp gauges don't work [carvin5string]
Jun 07, 2007 (8:00 pm)
start by checking the fuses and the wires
Jun 07, 2007 (8:06 pm)
I bought a 93 S10 so I can keep my 88 ranger looking nice since I just spent alot of money on a new paint job, radio,rims, etc. the s10 died 2 months after I bought and my ranger has more miles on it than the s 10 had and the ranger still runs great
#2505 of 2995 replacing water pump
Jun 08, 2007 (6:25 am)
I,m not very carsmart, but all the coolant gushed out the bottom of my truck. It didnt leak out the radiator, but wouldnt it still be able to hold some fluids if the waterpump went out? can it be anything else besides waterpump? hope not
#2506 of 2995 Re: replacing water pump [bhamm]
Jun 08, 2007 (9:23 am)
look at all the freeze plugs that may be where it's leaking from
#2507 of 2995 I am scared to drive! 88 ranger 2.9L
Jun 08, 2007 (7:31 pm)
This is the third time this happened to me about once a month.
My truck just stops running while driving like, I ran out of gas. After stopping it will not start. Call tow truck to take home. Next morning I want to figure out the problem but the truck starts up like nothing happened.
What to do? I would like fix it but it's not like changing a head casket. Could it be fuel pump system, ignition?
#2508 of 2995 ranger problems
Jan 30, 2007 (5:57 am)
i HAVE A 97 RANGER WITH 4.0 L 104,000 MILES HAVE HAD IT ABOUT A YEAR AND CHECK ENG.LIGHT HAS ALWAYS BEEN ON WAS TOLD MAF SENSOR SO I CLEANED IT AND STILL THE SAME YESTERDAY IT STARTED IDILING REAL ROUGH. WHEN YOU STOP IT IS ROUGH IDLE AND LIGHTS DIM AND VOLTAGE GUAGE GOES CRAZY. HAD CODES PULLED AND PO171 AND PO174 CAME UP THESE ARE FOR O2 SENSORS.WHEN THIS HAPPENS YOU CAN GIVE IT GAS AND RUS GOOD.ANY HELP APPRECIATED.WEATHER HERE COLDER THAN NORMAL DONT KNOW IF THAT MATTERS. THANKS
#2509 of 2995 Re: ranger problems [dannyb]
Jan 30, 2007 (10:49 pm)
Well, right off the top of my head - if the error codes point to bad O2 sensors, maybe change these out???????
P.S. Typing in all caps is hard to read.