Question about 1989 Ford F 250

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What are the indications that the oxygen sensor on the f 250 ford lariat 1989 needs to be replaced? also, where is it located?

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You will not be able to notice anything , but your check engine light will be on. They are screwed into the exhaust manifold or exhaust pipe. They kinda look like a sparkplug with a small wire coming off the end.

Posted on Oct 16, 2010

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Show spout connector location 1989 ford f250 xlt


if you look on the distributor you will see the large connector for the mudule bolted to the side. The spout connector will be within inches of the module connector.

Feb 06, 2012 | Ford F-250 Cars & Trucks

1 Answer

1994 ford f150 oxygen sensor location


An Oxygen Sensor (O 2 S) or heated Oxygen Sensor (HO 2 S) is used on all engines. The sensor is mounted in the right side exhaust manifold on some V8 engines, while other V8 engines use a sensor in both right and left manifolds.

Heated oxygen sensors are located in the exhaust pipes below the exhaust manifolds. The sensors react with the oxygen in the exhaust gasses and generates a voltage based on this reaction. A low voltage indicates too much oxygen or a lean condition. Where as a high voltage indicates not enough oxygen or a rich condition.

Disconnect the Oxygen Sensor (O 2 S). Measure resistance between PWR and GND (heater) terminals of the sensor. If the reading is about 6 ohms at 68°F (20°C). the sensor's heater element is okay.

Hope this helps (remember to rating this free answer).

Oct 13, 2011 | 1994 Ford F150 Styleside Supercab

2 Answers

I HAVE A 1996FORD RANGER REG CAB 3.0L PULLING CODES P1131,ANDP1443 CAN THE CODES BE RELATED . HOW CAN I FIXES PROBLEM S


DTCs P1130 and P1150 indicate the fuel control system has reached maximum compensation for a lean or rich condition and the HO2S is not switching

CODE P1443 This is a code for the evaporative system which includes a black plastic container in the front of the engine comopartment that has hoses going to the tank and the throtle body. When it isn't running the fumes from the tank accumulate in this charcoal filled container and when the engine starts, they are burned. Something is wrong with the vacuum or electric solonoid on the top of this container. Or sometimes it can be set if the gas tank cap isn't on tight.
Investigate the evaporation system (vacuum hoses, solenoid, and canister) see if the solenoid had extensive rust and corrosion.if so replace
Best of luck

Dec 04, 2010 | Ford Ranger Cars & Trucks

1 Answer

Oxygen sensor locations on a 2003 Ford E 250 8


their infront and behind the catalytic converter in the exhaust pipe

Feb 01, 2010 | 2003 Ford E250

1 Answer

What does po135, p1131, and p0305 mean on a ford f250 with a 4.6L 2007


PO135 = Upstream Heated Oxygen Sensor Heater (HTR 11) circuit (Bank #1)

P1131 = Lack of upstream Heated Oxygen Sensor (HO2S 11) switch, sensor indicates lean (Bank #1)

P0305 = Cylinder #5 Misfire detected

It looks like you have two separate issues happening. Bank 1 would be the left side of the engine if you were standing in front of the truck looking at the engine. The "upstream" oxygen sensor will be on the exhaust pipe coming from the bank one side of the truck IN FRONT of the catalytic converter. From the codes, it appears that the upstream sensor has gone bad, but the oxygen sensor behind the catalytic converter, or "down stream" is fine.

The misfire on cylinder 5 on the right side of the engine, 2nd one from the front, could be something as simple as a fouled spark plug or a coil malfunction.

To identify if it is a bad coil, swap the #5 cylinder coil with another coil, and see if the misfire follows the relocated coil.

Dec 22, 2009 | 2007 Ford F-250 Super Duty Lariat

2 Answers

!988 Ford Lariat No spark after running over curb


could be the fusable link, or the computer box located on the wheel well take it off and have it tested at auto zone for free and there only about 30,00

Apr 02, 2009 | 1989 Ford F 150

1 Answer

Can't find emergency fuel shutoff switch


The Inertia Switch is located at the far Left part of the toe-board, near the parking brake assembly.

Mar 18, 2009 | 1988 Ford F 250

1 Answer

It uses too much fuel. 2,6 liter per 10 km.


You need to replace the sensors,,Throttle PositioningSensor, OXYGEN sensors, Mass Air Flow. after which your truck will run nicer and use less fuel.

Jan 16, 2009 | 1990 Ford F150

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