Easy tips

How does the P0420 Chevrolet catalyst system low efficiency Bank 1?

How does the P0420 Chevrolet catalyst system low efficiency Bank 1? The catalyst within the converter promotes a chemical reaction which oxidizes the HC and CO present in the exhaust gas. This reaction converts them into harmless water vapor and Carbon Dioxide. The catalyst also reduces NOx, converting it to Nitrogen. The Powertrain Control Module (PCM) monitors this process using Bank1 HO2S #2. What are the symptoms of a p0332 DTC? You may notice drivability problems including fluctation engine RPM, a loss of power, and perhaps some hesitation. There may also be other symptoms. Potential causes for a P0332 DTC...
Easy lifehacks

Can you check your abs with an OBD2 scanner?

Can you check your abs with an OBD2 scanner? Can AutoZone check ABS codes? By using OBD2 scan tools, AutoZone can check your ABS codes for you. You may also check the trouble codes yourself if you own or have access to an OBD2 scanner with ABS and SRS compatibility. What is the DTC code for abs-25? ABS-25 ABS (DIAGNOSTICS) LIST OF DIAGNOSTIC TROUBLE CODE (DTC) 21 4A02 Open or short circuit in Front ABS wheel speed sensor RH cir-cuit Open or short circuit in Front ABS wheel speed sensor RH cir-cuit <Ref. to ABS-85, DTC 21 Ñ OPEN OR...
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Why does my car make a whistling noise when I Turn Off the engine?

Why does my car make a whistling noise when I Turn Off the engine? Constant circulation of air and cooling fluid through your car’s engine can cause small cracks in hoses, breaking their vacuum seal. The whistling sound you are hearing could be air escaping through these holes. If you’re still hearing whistling after your car is turned off, the noise may be coming from your car’s radiator pressure cap. What to do if your car is making a whining noise? Where the sound is coming from exactly can be difficult to pinpoint. Try bouncing each corner of your car...
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Is the 1982 Corvette Fuel Injected?

Is the 1982 Corvette Fuel Injected? It was as simple as an electronic fuel-injection system as there could be. Many less-advanced, hot rod-type features were incorporated into the '82 Corvette. When the '82 model was completed and ready for sale, the L81 Cross-Fire injection engine was rated at 200 horsepower, up 10 from the '81 engine. What year did the Corvette go fuel Injected? 1957 The styling of the 1957 Corvette was largely unchanged, however the performance vastly improved. In 1957 the new Corvette took a giant stride forward with the introduction of the new Ramjet Fuel Injection. This was...
Easy tips

How to clean your throttle body Silverado Sierra GMC?

How to clean your throttle body Silverado Sierra GMC? Bolt the TB back on, using a cross pattern (like mounting a tire). Plug in the elctrical connection to the TB. Attach the resonator, and be sure to plug the breather hose back in. Then put the engine cover on, and connect the battery. What's the best way to clean a throttle body? Clean the TB: Use a cleaner made specifically for the throttle body. Spray it from all sides, and allow the cleaner to work for a minute or so. Wipe it clean with an old lint free cloth. If...
Easy tips

What happens when a BCM is turned off?

What happens when a BCM is turned off? Your vehicle performance may also be affected as the BCM communicates with other control modules in the vehicle. Parasitic drain is due to components in your vehicle continuing to run after the key is turned off. Where is the BCM located on a car? The body control module location can differ from one car to another but, in most cases, you can locate the BCM under the dashboard. Check your firewall and look into the right side of the steering wheel column to find it. Can a bad BCM cause a car...
Common questions

What kind of reliability does a Chevy Traverse have?

What kind of reliability does a Chevy Traverse have? The Reliability score is based on our latest subscriber survey of 2011 Chevrolet Traverse owners. The owner comments describe problems respondents experienced with this vehicle. Blower (fan) motor, A/C compressor, condenser, evaporator, heater system, automatic climate control, refrigerant leakage, electrical failure. How many times has the Chevy Traverse been recalled? The 2011 Chevrolet Traverse has been recalled 4 times by NHTSA. Reliability indicates how models have performed in the past, providing the basis for predicting how the vehicles will hold up in the year ahead. These charts provide the most comprehensive...
Common questions

Why is my Chevy 5.3 liter engine surging but no code?

Why is my Chevy 5.3 liter engine surging but no code? I figured out how to induce it by letting off the gas and quickly giving it 1/4 throttle and about half the time this will cause the engine to surge. But it will not a throw a code and is beginning to drive me crazy. any help is greatly appreciated. What does it mean when a Chevy Silverado Idles? Idle Issues – Your Silverado may run rich or lean when idling, or it may also idle erratically. A rich condition is when there is not enough air relative to...
Other

What does the IAT sensor do on a car?

What does the IAT sensor do on a car? (IAT) sensor is built into mass air flow sensor or in some vehicles mounted to the air filter duct housing. The sensor detects intake air temperature and transmits a signal to the Engine Control Module ( ECM ).The temperature sensing unit uses a thermistor which is sensitive to the change in temperature. What causes a bad intake air temperature ( IAT ) sensor? The above symptoms of a bad intake air temperature (IAT) sensor are not a foolproof way of determining the problem, because they are common for a few other...
Easy lifehacks

Can a bad ESC module cause no spark?

Can a bad ESC module cause no spark? Another common symptom of a faulty ESC module is a no start, or no spark condition. The ESC module is one of the components that directly controls engine spark, so if it fails, it can leave the vehicle without spark. What does the electronic spark control module do? One of these components is the electronic spark control module, commonly referred to as the ESC module, or the ignition module. The ignition module works together with the computer to time the engine’s ignition system for the best performance and efficiency. One of the...