Not if it's oiled properly. Un-clip and remove the wire harness connector. It is recommended to have this problem addressed as soon as possible. Coolant is also top notch. What causes the P0157 code? Refer to Wiring Repairs in Electrical Diagnosis. This truck came in with 36000 miles showing and a check engine light on part of the time. You may be wondering why it has taken so long for the new regular cab to be released, and the reason is that there just isn't as much demand for the truck.
For more information, refer to fuel supply system. I also do not have any check conditions on it. This article applies to the Chevrolet Silverado. Need help with a P0158 code? An will make it easier to reach an oxygen sensor that is positioned awkwardly, and a is used as a heating element to assist in the removal. As far as any other electrical issues goes, every now and then the rear power windows do not function. As for fuel economy, I have noticed that it has started to dwindle lately. Unscrew and remove the O2 sensor.
When the engine is running rich, it means that there is more fuel than oxygen in the exhaust gases. Refer to for the 5. Now it doesn't seem like a post cat O2 sensor would cause this but. Chevrolet Silverado 1999-2006: How to Replace Oxygen O2 Sensors If your Chevy Silverado is racking up miles, you might notice a significant decrease in fuel economy and engine power. If the misfire is related to the information below, it will typically happen while cruising uphill, pulling a trailer or on hard acceleration and then stop misfiring shortly after returning to an idle. If not addressed, damage to the catalytic converter can be done over time, which will be expensive to fix. Is the check engine light on in your Silverado? I had these codes for a while.
Did you try and blow through the fuel filter after you replaced it? We checked the codes out and found the codes listed and low O2 voltage on both downstream O2s. Neither a lean mixture or rich mixture is good for the catalytic converter and both can cause premature failure of the catalytic converter. One other thing to consider is that your car could be running lean or rich causing these errors. Can still hears some small chunks rattling around. Chevy representatives said that 70 percent of Silverado demand is for the four-door crew cab and 18 percent for the double-cab with shorter rear doors.
Otherwise, get the car on a lift or on jack stands and get under there and trace the wires. Sometimes the stutter feels like the engine might stall. I have noticed that when the car is warmed up and I am at a red light, the engine sometimes stutters. It's not necessary to lift your truck, but you can do so for more work space. Had to change out the throw out bearing, clutch, and pressure plate it was time. Code P0157 Common Diagnosis Mistakes Replacing the O2 sensor without checking for any leaks or loose connections or for any voltage issues within the O2 signal circuit. Was a problem found and repaired? The uses this signal to accurately measure crankshaft velocity which is a variable used in order to detect misfire, spark and, fueling.
As the crankshaft rotates, the reluctor wheel teeth interrupt a magnetic field produced by a magnet within the sensor. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. Have you changed the oil lately? Utah winter set in so I parked if for the winter, once the weather started warming up I changed the spark plugs which didn't do anything either, I tested the fuel pressure and it was only at 26 psi and wouldn't hold so I replaced the the fuel pump. Can you please direct me to the location of the mass air flow sensor? This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Use a breaker bar to remove the sensor if needed. You are checking for ground and signal reference.
If the accumulators are somewhat even or if 3 or more cylinders are misfiring, then this determines that a random misfire has occurred. My concern in this case is all 4 sensors going at one time leads me to beleive that there is something upstream causing the problem. The sensor's internal circuitry detects this and produces a signal which the Powertrain Control Module reads. Cleaned the filter and the code cleared. Need help with a P0157 code? The truck has coil packs does that matter. A warm-up cycle occurs when the coolant temperature has risen 22°C 40°F from the startup coolant temperature and the engine coolant reaches a temperature that is more than 70°C 158°F during the same ignition cycle.
So is that an engine symbol. Is the Misfire Index increasing for more than one cylinder? The regular-cab version of the all-new will finally go on sale in the first quarter of this year. If it is shaped like an engine, then yes it is the that is on. Given that smaller take rate, Chevy prioritized production and therefore availability of the four-door models. If you have other electrical demons.