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Car Computers and Sensors

Car computers and sensors are modern tools that make driving easier. A car’s built-in sensors provide the driver with information on any abnormal signs while a car’s computer controls the car’s performance.

Asked in Car Computers and Sensors, Car Starting Problems, Starters and Ignition Systems, Ford F-150

How do you test an ignition coil?

How to test an ignition coil This testing procedure is valid for just about any automotive coil. Using an ohmmeter, check the resistance between the side terminals of the coil. Do this with all of the wires to the coil disconnected. You should see 0.75 to 0.81 ohm of resistance. Then check the resistance between either side terminal and the center high tension terminal. The reading should be 10,000 to 11,000 ohms. Any significant deviation from these numbers would indicate that the coil could...
Asked in Auto Parts and Repairs, Car Computers and Sensors, Ford Crown Victoria

Can bad mass air flow sensor cause engine misfire?

it will feel like a misfire but should not cause a single cylinder misfire code. a bad maf ( mass air flow ) would and can set random multiple misfire codes, lean bank 1 and 2 just like a clogged fuel filter or restricted exhaust ( cat ) ...
Asked in Car Computers and Sensors, Nissan Frontier

Where is the speed sensor located on a 1996 or newer Taurus - Mercury Sable?

Notes: Transmission Range Sensor - aka Neutral safety / start switch. See "Related Questions" below Vehicle Speed Sensor - aka Output Shaft Speed Sensor PICTURES - (yes, photos!) - See "Related Links" below Symptoms - (See "Related Links") Symptoms (Each bullet point is a symptom that doesn't necessarily happen at the same time): Speedometer inaccurate Speedometer needle not working Speedometer needle jumping around Bad/harsh/no shifting Car not shifting out of first or hold out first a lot longer Cruise control not working correctly (speed jumps up and down) Cruise control not...
Asked in Car Computers and Sensors, Ford Taurus, Crankshaft Sensors

Where is the camshaft position sensor - CPS - located on a Mercury Sable - Ford Taurus?

NOTES Diagnostic Trouble Code (DTC) P0340 - Camshaft Position Sensor Your cam position sensor or the wiring leading to it has gone bad. It will cause occasional rough running and hard starting until it is replaced. If you live in a county that does emissions testing, your car WILL FAIL unless it is fixed. Answer If you have a 3.0 12 valve engine is is located at the rear of the engine block, under the throttle body area. If you have a 3.0 DOHC 24...
Asked in Car Computers and Sensors, VW Jetta, Ford Expedition XLT, VW Sharan

What happens when a mass air flow sensor goes bad?

High Fuel Consumption Halious -Other problems are, severe drop in power, inability to accelerate, stalling out, & your wallet gets a lot lighter(Cheapest one we ever replaced at my shop was $298 at cost.) Despite the important sounding name it's easy to replace. It lies somewhere between the air filter & the throttle body buy a new one and compare it to parts you see along the air intake system(A lot of German cars like VW & Audi put them in the air...
Asked in Car Computers and Sensors, Car Electronics and Lights, OBD Diagnostic Codes

What are the OBD-II pins?

Honda Man's Since we don't know what make, model or year your car is, this is a difficult question. If it is in fact OBD II, the connector should be located under the driver's side dash. In order to find your codes, you don't need to plug into the obd2 port. On the bottom right side of the diagnostic port, there should be two pins rather close together. My recommendation is to go to Auto Zone. Some of their stores actually have...
Asked in Car Computers and Sensors, Nissan Xterra

Where is the throttle position sensor located on a 2002 Nissan Xterra?

the tps is in differant places on cars and trucks, but most are on side of throttle body at throttle plate. ...
Asked in Car Computers and Sensors, Toyota Celica

How do you rewire a 1986 Toyota Celica derby car to bypass the computer and other irrelevant units?

Computer? Yeah, who needs it. It's only the heart and soul of your entire car. You can ditch the computer if you remove the entire intake and put on a carburetor, remove all the emission control components (remember to plug all the holes or you'll lose engine vacuum and that's BAD) and fabricate and install a manual fuel pump. Then replace the entire ignition system with an old "points" system that you'll have to replace every 3000 miles. (oh yeah, you'll have...
Asked in Car Computers and Sensors, Dashboard Lights and Gauges, Acura RL, Dodge Dakota

How do you reset the maintenance required light on a 1992 Dakota 5.2L?

The maintenance light,You will need to take it to a Dodge dealer to reset it. Or get a DBR-2 code scanner.BIG $$$ ...
Asked in Suzuki, Car Computers and Sensors

Where is the map sensor in 2000 Suzuki Baleno?

Hello Dear, The MAP Sensor in a Baleno 2000 is attached with Throttle body and can be seen clearly. It reads Sensor Pressure and in most Balenos the make is of USA. ...
Asked in Car Computers and Sensors, Toyota Corolla

How do you remove oxygen sensor from 1990 Toyota Celica ST?

First off use a spray lubricant very liberally on the threaded area of the sensor. (I recommend PB Blaster. It is a miracle in a can!) Secondly, cut the lead wire close to the sensor so you can use a socket on it. (preferably a 6 point to reduce the risk of rounding off the soft brass hex. Use 1/2" drive for leverage). when installing the new one use a crescent wrench. Do not over-tighten. Mike ...
Asked in Car Computers and Sensors, Jeep Grand Cherokee Laredo, Jeep Liberty

Where is 2002 Jeep Liberty Transmission Fluid Pressure Sensor?

Just in front of crossmember, passenger side and near the bottom.
Asked in Car Computers and Sensors

How do you reset the 'maintenance required' light after 60 thousand miles?

Without the year, make, and model, an exact answer can't be given here. However, in very basic, you will either need the code specific to your car, or you can run it up to your dealership. They can reset it in just a few minutes for a fee. From time to time, you can find the code directly in your owner's manual. ...
Asked in Car Computers and Sensors, Dashboard Lights and Gauges, Acura RL, Toyota RAV4

How do you reset the 'maintenance required' light after servicing a 2004 Toyota Rav 4?

Ya didnt look at the Gogle postings on this long enuf.... I dont own a 2004 rav , but i was doing some research on pt cruiser and got scared to death about what i read I guess im gonna buy the RAV !! aNY WAY THERES A POST that says all you need do is put the trip meter in Odometer... And shut the car off .. hold the reset button down and and turn key back on again...
Asked in Car Computers and Sensors, Dodge Dakota, Ford F-150

How do you change the speed sensor?

It kind of depends on what type of car/truck you have. Most fwd vehicles have the speed sensor in the transaxle above one of the axles. To change it usually requires removing a bolt and pulling out the sensor. Rwd vehicles either have the sensor in the transmission, transfer case(4x4) or in the rear differential. The replacement procedure is similar. ...
Asked in Car Computers and Sensors, Alternators, Chrysler LeBaron

Where is the voltage regulator on 1990 Le baron?

The engine computer is also the voltage regulator.
Asked in Car Computers and Sensors, Ford Windstar, Ford Windstar GL, Ford Windstar LX

Where is the onboard computer on a ford windstar?

computr location it behind the inde cowling cover next to the gas pedal? I'm not sure, but i think the windstar (99) has two seprate computers, one is on the fire wall, and one is in front of hte passenger seat, under the glove box the pcm is under the wiper cover on the pass side i just replaced one. It is on the right-hand side and is only accessible from the engine bay. You have to remove the plastic cover against the windshield...
Asked in Car Computers and Sensors, Oxygen Sensors, Mercury Grand Marquis, Pontiac Grand Prix, Grand Am SE

Where is the oxygen sensor on a 1996 Mercury Grand Marquis 4.6L?

On a 1996 Grand Marquis there are 4 oxygen sensors. 2 (1 on each bank) are mounted before the front catalysts near the manifold-->cat-pipe flange. These are the HEGOS or Heated Exhaust Gas Oxygen Sensor. These are the primary o2s and are what help the PCM determine the correct A/F ratio. There are another 2 directly after the fisrt set (1 on each bank) of catalysts moutned on the exhaust piping between the two catalysts on each bank. The primary goal of...
Asked in Car Computers and Sensors, Oxygen Sensors, Plymouth Voyager, Pontiac Sunfire, Honda Accord EX

Where is the Oxygen Sensor on a '94 Plymouth Voyager and how do you change it?

Hey Mario==It will be close to the exhaust flange and on some cars it is in the exhaust manifold. GoodluckJoe ...
Asked in Car Computers and Sensors, Isuzu Rodeo

What does the ion sensor do on a 2001 Isuzu Rodeo?

The ion sensor on a 2001 rodeo is in a sense a camshaft,crankshaft,knock sensors and ignition module all in one sensor. It does this by reading the signal each spark plug sends to it with info like, compression, knocks, and uses those signals to determine when to send the signal back to the coil pack to spark. Its a lot of work for one sensors and relies on the spark plugs to work correctly. ...
Asked in Car Computers and Sensors, Chrysler Town and Country, Dodge Ram, Ford F-250

How do you replace the input speed sensor on a 1999 Chrysler Town and Country LImited minivan?

The Vehicle Speed sensor is located on the side of the transmission. You would be best to remove the battery tray and air intake plenum to see it. Trace the fuse block wire going to the back of the transmission. it will be located on the Left side (looking at the motor) after the ribs pointing back at you. It should have one mount screw and when you pull it out it will have a magnet on the end of the...
Asked in Car Computers and Sensors, Nissan Altima

Where is the computer located in a 1987 Nissan Pintara Wagon so you can run a diagnostic test?

The computer is behind the left hand passengers side kick pannel. Remove the pugs, undo the screws and the pannel will pull away. Hopefully this helps! :D ...
Asked in Car Computers and Sensors, Chevy 350

What computer chip do you need for 350 engine?

it all depends on what "YOU" want horspower,speed,gas need to take a look at HYPERTECH they are a good company and have alot of diff kind of chips available for a 350 and other engines and apps ...
Asked in Car Computers and Sensors, Oxygen Sensors, Honda Accord LX

How do you change an oxygen sensor on a 1994 Honda Accord EX?

If the sensor has never been changed it may need to be heated with a torch in order to loosen it up if it will not loosen right away with the socket. Don't use force until it is heated slightly which will contract the metal and make removal easier before stripping or breaking it necessitating drastic measures. On a 1994 Accord it is located on the exhaust system next to the catalytic converter. You unplug it and then loosen it with...