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How to Replace an Oxygen Sensor on a Lexus SC400

Le 2 décembre 2016, 10:28 dans Humeurs 0

There are a variety of components in the emission control system of modern automobiles, one of which is the Oxygen (O2) sensor.GM Tech2 It measures the amount of oxygen present in the engine exhaust. The O2 sensor is linked to the Lexus SC400's computer, which then makes adjustments to the fuel/air mixture as the engine is running. This helps the engine run at peak efficiency, reducing exhaust pollution. The O2 sensor requires periodic replacement. Many owners can do the job themselves.
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Park your Lexus SC400. Set the parking brake, and open the engine hood. Let the engine cool completely before proceeding.

Locate the O2 sensor.MB SD compact 4 It's in the lower engine area on the passenger side, threaded into the exhaust manifold.
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Remove the wire from the sensor. Spray some anti-seize spray at the bottom of the sensor where it goes into the manifold. Let the fluid penetrate for a few minutes before proceeding.

Remove the sensor with the appropriate size socket and ratchet.Vagcom 16.8 Rotate the sensor counter-clockwise to loosen.

Install the new sensor into the hole and tighten firmly. Attach the wire and the job is finished.

The Symptoms of a Blocked Particulate Filter on a Peugeot 307

Le 30 novembre 2016, 10:42 dans Humeurs 0

If something is blocking the particulate (aka FAP) filter in your Peugeot 307 with an Hdi common rail engine, your car will usually notify you with a flashing Particle Filter warning lamp. If this happens, you should use the Scan Tool to enter the engine control unit (ECU) diagnostic.VOLVO VIDA DICE This should display more specific information about any problems with your filter. Read the fault codes and take measures specific to those codes to clear the errors.
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A Fault Code Will Read: "Filter Blocked" or "Filter Clogged"

    When "Filter Blocked" fault codes show up, your FAP filter has either reached the end of its service life or it is dirty. In either case, you or your technician should perform a Regeneration to burn off any remaining particles on the filter. If the warning still comes on after the regeneration, replace the filter. Regenerating a Peugeot 307 involves bringing the temperature inside the filter to around 450 degrees C. Under normal driving conditions, this condition will result after 250 to 300 miles, but stop-and-start urban driving may not be conducive to this. Instead, your technician could force a regeneration under specified temperature conditions and fuel tank levels.
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A Fault Code May Also Read: "Minimum Level"

    In addition to any codes alerting to you to a blocked FAP filter itself, other codes may refer to the other component of the FAP system in the Peugeot 307, or the additive that assists the diesel in reaching the necessary temperature to burn off the trapped particles. This additive is stored in its own designated chamber. If the additive is low, you must refill or top off the reservoir.Digiprog 3 The error code will inform you of this with a "Minimum Level" indicator. After refilling the reservoir, you or your technician must reset the Quantity of Additive function to zero and reprogram the value. You will find that this fault code sometimes shows up simultaneously with the Filter Blocked code, in which case you should both replace the filter and replenish the additive.

Reduced Power and Fuel Economy

    The function of the FAP filter is to reduce diesel particulate levels in engine emissions by filtering the exhaust. When the FAP filter becomes blocked, it can't do its job of filtering the trapped particles. This may or may not result in a noticeable change in the car's performance. However, you may see reduced power, sluggishness and reduced fuel economy.
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Fuel Level Sensor May Be Faulty

    If you replaced the FAP filter, refilled the additive and reset the counters, and the "Filter Blocked" warning still returns, you may have the concurrent problem of a Fuel Level sensor going out.BMW ICOM A3 Pro This is the sensor that monitors the fuel level, allowing the proportional amount of additive to be injected. Malfunction of the sensor could prevent operation, requiring you to replace the sensor; if you are still under warranty, Peugeot should cover this cost.

How to Diagnose Trouble Codes for ECMs in 1993 Honda Accords

Le 25 novembre 2016, 11:40 dans Humeurs 0

Your 1993 Honda Accord comes equipped with a first generation On-Board Diagnostic (OBD I) system. This diagnostic configuration allows monitored systems in your Accord to send a specific trouble code to the Engine Control Module (ECM) or vehicle computer whenever one of their circuits has detected a function out of the ordinary. In turn, the computer will switch the Check Engine light on to inform you of the problem.UPA USB Programmer  Without using special tools, you can access the ECM's memory to help you diagnose and repair these faults with your Honda.
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Park your Honda in your driveway or in a safe place away from traffic flow and turn off the ignition switch.

Walk around your vehicle, open the passenger's door and look for a small, two-wire electrical connector hanging loose under the glove box behind the kick panel or under the dashboard on the driver's side, depending on your particular model.

Jump the two wires at the connector with a small paper clip.

Sit behind the steering wheel with a small notepad and pencil.
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Turn on the ignition switch but do not start the engine. Watch the dashboard for a blinking Check Engine light. This blink will represent the trouble codes store in your Accord's computer memory, if there are any.

Write down the number of blinks. Long blinks represents the first of a two-digit number, followed by a pause and one or more short blinks that represent the second digit of the two-digit number. For example, if the Check Engine light provides two long blinks, a pause, and three short blinks,Renault CAN Clip the computer is giving you trouble code number 23. If there are more codes, there will be a longer pause, followed by the next trouble code number. Once the computer has given you all the trouble codes in memory, it will provide a longer pause and repeat the same sequence of numbers so that you have a chance to confirm the codes.

Turn off the ignition switch and remove the paper clip from the two-wire electrical connector.

Look up the code numbers in the service manual for your particular Honda Accord model. Also, you can call your local auto parts store or dealer and ask for the definition of the trouble code.
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Check the particular system indicated by the trouble code or codes retrieved from your Accord's computer. Keep in mind that a trouble code leading you to an oxygen sensor, for example, only means the circuit or system in which that sensor is located, has triggered a fault.BMW ICOM A3 Pro So you need to check the sensor and then wires and connectors, if necessary, to find the fault. Sometimes, a fault in a particular system may cause a sensor in another system to trigger a trouble code.

Repair the system(s) that cause the trouble codes and erase the trouble codes from the computer memory. Disconnect the ground (black) battery cable with a wrench and wait for 30 seconds. Reconnect the ground (black) battery cable with the wrench. The trouble codes have now been erased.

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