Question about 1994 Toyota 4Runner

1 Answer

I need to reset the check engine light

I have a 1994 4 runner with check engine light on and i just removed the o2 sen. to get to the exhaust shop so i could have the cat replaced now its all back together and runs great yet check engine light is still on how do i reset it??

Posted by on

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points

    MVP:

    An expert that gotĀ 5 achievements.

    Sniper:

    An expert who has posted more than 50 answers, of which 90% or more were rated as helpful.

    Governor:

    An expert whose answer gotĀ voted for 20 times.

  • Expert
  • 85 Answers

Disconnect the battery cables pump the break pedal about 4 times, reconnect the battery and that should reset the ECU.

Posted on May 16, 2009

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

How do I locate the oxygen sensor of Toyota corolla 1994 1.8i


O2 sensor is normally sticking out of the exhaust manifold

Oct 06, 2016 | 1994 Toyota Corolla

2 Answers

My 03 Ecl Spy GT didn't pass CA smog test? OBD II and OBD Bulb check. Ser Fault Codes: P0136- P0141-P0431-P0455.


I'm sorry you replaced the parts without testing first. Codes only give mechanics a suggested area to test, not which components to replace.
Since you replaced the O2 sensor for the first two codes, a mechanic will need to check to see if it is working by reading the data flow from the sensor with a scanner while the engine is warming up. The catalytic converter will also need to be tested to troubleshoot code 431.
Code 455 is for a leak in the evap system which is what vents the gas tank to the vapor canister. The system will need to be pressure checked for leaks and then repaired.
Keep in mind, once the repairs are made and the codes erased, the car will need to be driven at least 100 miles in various conditions before you re-test.

Sep 04, 2015 | 2003 Mitsubishi Eclipse Spyder GT

1 Answer

Change o2 blank 1 sen and still showing coad


hello there:
if you replaced it by you're self you may have to drive it for awhile to get the light out it will have to go threw a drive cycle to reset some times it takes a while or you could take to a shop or parts house and find out if they could reset the light for you and if it comes back on there maybe a different problem that will be with in the same system..hope this helps you out please leave a review thanks sincerely D.Jones

Jun 05, 2010 | 2009 Toyota Yaris

3 Answers

94 chevy 5.7 350 need to reset timing what do i need to do?


start engine and bring to normal operating temp. unplug the base timing connector located in the distributor wiring harness tan wire with a black stripe use a timing light and set timing to 0 degrees at idle the timing marks are on the crankshaft pulley and a tab on the timing cover with numerical indications

Jan 01, 2010 | 1994 Chevrolet Silverado 2500

2 Answers

96 Dodge Neon O2 sensor Ckt No Activity bank 1 sensor 1----how do I replace the sensor, will that correct a problem with the check engine light?


That would correct the problem, the O2 sensor is on the exhaust manifold or on the exhaust manifold down pipe. If you go to Auto Zone, they will have the O2 sensor you need and also the loaner tool you may need to remove the O2 sensor. Auto Zone also can give you the step by step instructions to replacing the O2 sensor in about 30 min. Once you located the O2 sensor, disconnect the wire harness and use the O2 sensor socket to remove the sensor from the exhaust. It's like removing a spark plug, to install the new O2 sensor is just to follow the same procedure in revers to the removal. Good luck.

Oct 28, 2009 | 1996 Dodge Neon

1 Answer

Service engine light on. 1994 Geo Metro


Take the vehicle to Auto Zone or any other Local auto parts store that will read the codes with a scanner. This is most likely the o2 sensor which is pretty common. The part will cost about $40 plus the cost of the special socket to remove and install it. A repair shop will charge you about $140 to $170 to do the job. It is located on the exhaust manifold or Exhaust pipe. If the code indicates an upper or Lower then you will have to locate it using a repair manual. I recommend Haynes but you can use just about any manual as long as it shows the part location.

Sep 24, 2009 | 1994 Geo Metro

2 Answers

Car acts like its sliping or miss fireing when driving


Is the eng, light on, if so use the found codes as a basis. check the fuel system for low fuel pump pressure, clogged fuel filter. If its fine check the exhaust back pressure. Before the cat. pull the O2 sensor
out and install a low pressure gauge to see there is excessive back pressure. more then 5 to 10 PSI would indicate an issue with the CAT.

Apr 24, 2009 | 1998 Pontiac Grand Prix

3 Answers

2001 Toyota corolla hesitates on acceleration


Basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust).

Mar 27, 2009 | 2001 Toyota Corolla

2 Answers

Check engine light on


This is a code that is indicating you have a problem with the "bank 1, O2 sensor 1" heater circuit. Bank one is the side of the engine that has cylinder #1, and sensor #1 is the O2 sensor on that side that is before the catalytic converter. This code sets when the computer senses that it either takes too much or too little current to drive the heater inside the O2 sensor. Typically, most shops would simply put a new O2 sensor in this location as it is ten years old and there is a good chance that the O2 sensor has burnt out However, there is a possibility that the driver circuitry has a problem as well.

I would replace the sensor, I believe it is the one on the passenger side between the engine and the cat. After that, you will have to drive it a bit for the code to cancel, or you could have it reset with a scan tool.

Mar 22, 2009 | 1999 Toyota 4Runner

2 Answers

O2 sensor on a 1994 toyota tercel


Usually the O2 sensor will be on the exhaust manifold close to the engine, I'm going to assume you have a pretty good idea of what you are doing so if you need more details don't hesitate to ask.

Oct 30, 2008 | 1994 Toyota Tercel

Not finding what you are looking for?
1994 Toyota 4Runner Logo

578 people viewed this question

Ask a Question

Usually answered in minutes!

Top Toyota Experts

yadayada
yadayada

Level 3 Expert

75744 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22114 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

8123 Answers

Are you a Toyota Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...