Question: Sensors That May Not Start Your Car

Ok This Seems To Be A Recuring Theme My 93 4.3 Vortac Pos Wont Start

New ignition everything timing is good, is good fuel sensors, new crank is only if I started put in the new dealer would not idle, so I put in new sensors, both the throttle position and intake witch prohibitively expensive small for such a Now part was just nothing cranks !!!!!!!!!!! ugh help me astray i, m ...

What Kind Of Oxygen Sensor Do I Use For My 2000 Infiniti G20

I was about to replace my 4 oxygen sensors however when I went to purchase it, I was surprised that there were different kinds of O2 sensors. There were 3 and 4 wires sensors and there are some for the front and rear. Now I am totally confused. I'd like to know what goes where? If you can give me the part #, that would be even better. Thank you. ...

What Is The Deal With Knock Sensors On My 2000 Chevy Silverado 1500

About two months ago i had to replace my knock sensors and everything was fine. i had a mechanic do it for me so i know he did everything right (hopefully). Well, now my truck is being sluggish again and sure enough, the guys at autozone told me it was my knock sensors. Why does this keep occuring and what can i do about it. ...

Why Is My Ford F350 IDI Diesel Hard To Start. Seems Like It Lost Its Prime.

It is hard to start in the morning and after it has been shut down for several hours. It will though start up quick if i get in the cab and push on the accelerator pedal. I have already replaced tthe glow plug relay, Map, TPS and other sensors. It will run great after it starts up!!!! ...

Advice Needed On O2 Sensors & Catalytic Converters

Question: Advice Needed On O2 Sensors & Catalytic Converters, I have a 2002 Mazda Protege ES. Recently the check engine light came on so I had the code checked at Auto Zone. The code came up as: Warm up catalyst threshold below bank 1" which apparently indicates a problem with either the oxygen sensor or the catalytic converter-- or possibly both. If the check engine light didn't come on, I would have never known anything was wrong with the car-- it ...

Does This Sound Like The Oxygen Sensor Or The Catalytic Converter

Question: Does This Sound Like The Oxygen Sensor Or The Catalytic Converter, The check engine light has been on for a while so I finally had diagnostics run on my 2000 Ford Escort ZX2. The guy said that it showed running lean and catalytic converter inefficiency (Under the cat inefficiency it said "problem 2,3, or 4). The guy said that I need a new oxygen sensor. Does that sound right? Also, could the sensor be the reason it's running lean? Best answer ...

What Is An Oxygen SensorIs This The Same As The Trac Off Sensor That Senses The Car’s Friction Of It’s Tires

How many sensors does a car have and are the oxygen sensors the same sensors as the one that triggers "trac off" to go off? The motion sensor that senses that traction of the tires? This car is actually a Chevy the model is cavalier (2001) ...

A Friend Is Modifying His ’08 6.7 Dodge Exhaust, Opening It Up. Does Any One Have Info To Assist

He has taken out the burn barrels, and some sensors, but after using the engine brake it tends to blow bluish smoke. The engineer he is working with is trying to modify sensors to override them. ...

If I Duel Out My F150 W/ Flowmaster Exhaust System, Will It Affect The Computer Sensors I.e. O2 Sensors

If I duel out my F-150 w/ Flowmaster Exhaust system, will it affect the computer sensors (i.e. O2 Sensors)? ...

1998 Cadillac Code P0420 Catalyst System Efficiency Below Threshold

The service engine light came on and the Code "P0420 - Catalyst system efficiency below threshold" shows up when i use the scan tool. When I read up on it, is says basically to check the 3 oxygen sensors, or the catalytic converter is bad. I put in new Platinum spark plugs in about a year ago. The engine runs fine, nice idling and is not missing. It did say bad gasoline can cause the light to come on. I would be surprised if ...