Common questions

Where does the PCM use oxygen sensor 2?

Where does the PCM use oxygen sensor 2? The PCM uses the signal received from Oxygen sensor 2 (#2 indicates aft of catalytic converter, #1 indicates pre-converter) to read efficiency of TWC. Normally this sensor will switch between high and low voltage at a noticeably slower rate than the front sensor. How are O2 sensors used in a catalytic converter? O2 sensors on a specific bank marked as "sensor 2" (as this one is) are used to monitor emissions. A Three-Way Catalyst (TWC) system (catalytic converter) is used to control tailpipe emissions. The PCM uses the signal received from Oxygen...
Common questions

How much does it cost to diagnose p0101 Chevrolet code?

How much does it cost to diagnose p0101 Chevrolet code? The cost of diagnosing the P0101 CHEVROLET code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour. When is the P0101 CHEVROLET code detected? What does the O2 sensor code p0155 mean? This code refers to the front oxygen sensor on Bank 2. The heated circuit in the oxygen sensor decreases time needed to enter closed loop. As the O2 heater reaches operating temperature, the oxygen sensor...
Common questions

Why are the brake pads on my Silverado not working?

Why are the brake pads on my Silverado not working? I just replaced all of the brake pads on my 2003 Silverado extended cab 5.3L V8 4WD, and afterward I noticed that I could smell the right rear brakes cooking. Upon further inspection I found that the calipers are not releasing the rotor, the problem is present on both sides of the rear brakes, but more prevalent on the passenger side. How long does it take to change brake pads on a Chevy Silverado? In this step, you need to clean the front caliper bracket, install new front pad hardware,...
Most popular

Is it bad to have cruise control all the time?

Is it bad to have cruise control all the time? Although the feature has its benefits and is available in more cars today than ever before, cruise control is not meant to be used every time you are behind the wheel. Using it at the wrong time could put you or other people out on the road in danger. What causes a cruise control to stop working? If that signal is lost, the CCM can’t detect vehicle speed, disabling cruise control. Electrical Problems – As most cruise control systems use electrical or electronic components, any diagnosis should include a thorough...
Most popular

What year Corvette is the most collectible?

What year Corvette is the most collectible? The car gained independent rear suspension and a coupe model in 1963, added disc brakes and available big-block engines in 1965, lost its optional fuel injection in 1966 (injection returned in 1982), and introduced what would become the most valuable production Corvette of them all–the L88–in 1967. How many miles does a 1989 Corvette have? 1989 CHEVY CORVETTE The Chevy Corvette is one of the most Iconic muscle cars ever. Ever today with 1989 Chevrolet Corvette with removable top and only 62,670 miles. This 30 year old Corvette has a 3 1989 Chevrolet...
Easy lifehacks

Where is the coil on plug ignition coil?

Where is the coil on plug ignition coil? The COP (coil on plug) ignition system is what is used on most modern engines. There is an individual coil for each cylinder that is controlled by the PCM (powertrain control module). It eliminates the need for spark plug wires by putting the coil right above the sparkplug. When to install a new ignition control module? A misfire condition can destroy the ignition module. If the engine is or has been misfiring, do not install the new ignition module until after the source of the misfire has been corrected. Check the secondary...
Other

Do you need to machine the intake manifold?

Do you need to machine the intake manifold? Assuming that you’re not a complete idiot and actually recorded this information, it should be no problem. After machining the deck surface of the cylinder head, it is necessary to machine the intake manifold side of the head. Can a cylinder head be machined for a manifold mismatch? On engines with the more traditional intake manifold construction, as opposed to those where the intake manifold also serves as the lifter valley cover, the manifold mating surface of the head has to be machined to correct the mismatch. Why does the intake manifold...
Easy tips

Why does my clutch pedal go to the floor?

Why does my clutch pedal go to the floor? Ever hyperextend your knee when you step on your clutch pedal and it goes to the floor with no resistance? That is because the hydraulic system has failed, if it is hydraulic. If it isn't hydraulic, then it means the cable let loose. If it isn't the hydraulic system or the cable, then it is your knee that needs work. How can I tell if my clutch pedal is hydraulic? Cable systems were more common a few years ago, but hydraulic systems have gained in popularity, so there’s a 50/50 chance...
Easy lifehacks

Why does the battery light come on when you lose power steering?

Why does the battery light come on when you lose power steering? Typically the battery light comes on when the alternator is not providing electrical power to meet demands of the vehicle. That you lost power steering assist along with the battery light coming on, leads me to think the one common thing between them - the serpentine belt drive system - is at fault. What kind of power steering does my car have? My car has a manual transmission. Hi There, Depending on which model Equinox you have (2.4L or 3.0L), your car may have electric power steering (2.4L)...
Easy lifehacks

How often should I drain coolant in my 2005 Chevy Silverado?

How often should I drain coolant in my 2005 Chevy Silverado? Chevrolet filled the 2005 Silverado's cooling system with long-lasting Dex-Cool coolant. Chevrolet recommends draining and refilling the cooling system every five years or 150,000 miles, whichever comes first. The 2005 Silverado's radiator does not have a drain plug, so draining the coolant requires removing the lower radiator hose. Where is the purge solenoid located on a Silverado? Here is a excerpt from the system description for the EVAP system that would indicate that when the purge valve is de-energized it should not pass any air. The EVAP purge solenoid...