Common questions

What causes the p0446 trouble code on a Chevy Silverado?

What causes the p0446 trouble code on a Chevy Silverado? When the EVAP control system vent control circuit no longer responds to the ECU, it will throw the P0446 OBDII Code. There are many things that can cause the P0446 trouble code to trigger in your Chevy Silverado. What causes an EVAP system code p0446? Here are the most common causes of an EVAP System Malfunction or code P0446: 1 Malfunctioning vent control valve 2 Clogged vent valve 3 Control circuit issues (e.g., loose or damaged wiring) 4 Powertrain control module hardware or software issues (rather uncommon) What does the...
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Is there a gas leak in the cobalt?

Is there a gas leak in the cobalt? Lately at the dealership we have seen another rash of problems on the Chevorlet Cobalt and Saturn Ion vehicles. These are basically the same car, just different nameplates. What the customers are complaining about is a fuel leak at the fuel tank area, or a strong smell of gasoline coming from under the car. Why does my Chevy Cobalt smell like gas? Chevy cobalt smells like gas... Chevy cobalt smells like gas inside and out but no gas leaks are present in driveway or anywhere. Is there a recall on the Chevy...
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How to diagnose a broken car heater?

How to diagnose a broken car heater? Here are a few ways to diagnose any issues in the radiator, thermostat, heater core, and other components that can make your heating system fail. Warning: Never do the following two steps while car is on or the engine is warm, it could lead to serious injuries. Always wear gloves and safety glasses for protection. How many repair parts does fix.com have? We have over 2 million repair parts and carry all major brands including: More brands... With our model number search you can easily find the exact parts that will work for...
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How many miles does a Chevy Impala have?

How many miles does a Chevy Impala have? The study analyzed millions of vehicles sold between 1980 and 2018 and found that 1.7% of Chevy Impalas on the market had over 200,000 miles on them. This may seem like a small percentage, but iSeeCars says it’s thrice that of the average sedan. When did the Chevy Impala come out in the US? Released in 1958, the Chevrolet Impala is one of the longest-running models in the United States. A go-to choice for families, the Chevy Impala boasts a luxurious cabin, smooth handling and an expansive cargo hold. Let’s find out...
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Where is the spark plug gap on a champion?

Where is the spark plug gap on a champion? For Champion spark plugs it is a little less logical and is as listed below: Spark plug gap is where spark plug spark discharge is designed to take place. On a conventional spark plug, it is the area between the center and the ground electrode. What should the gap be on a brisk spark plug? Excessive changing of the spark plug gap setting will result in weakening of the spark plug ground electrode and can lead to breakage. Also, the spark plug gap should never exceed.055" unless pre-set by the manufacturer....
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What to do if your transmission is in limp mode?

What to do if your transmission is in limp mode? Make sure that you are somewhere safe. Make sure that the engine has been off for at least 5-10 minutes. This will give the engine computer a few moments to sort anything out. Go ahead and verify that the transmission is still in Limp Mode. Sometimes time provides the fix. Why does my car go into limp mode? Limp mode can occur when a set of conditions have been met that cause the transmission to try and preserve itself from a catastrophic failure. Most of the time, limp mode is...
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Where is the coolant in the radiator when there is no leak?

Where is the coolant in the radiator when there is no leak? There’s a COLD/MIN label on the tank indicating the ideal antifreeze level when the engine is cold. The coolant in the radiator should be just below the filler neck. When you are losing coolant but no leak is visible, several parts could be the guilty party. What should you do when your car is losing coolant but no leak? Generally, there should be a leak somewhat if the vehicle is losing a high amount of antifreeze. However, a car could be losing coolant but no leak. What should...
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Where is the knock sensor on a Chevy 6.0?

Where is the knock sensor on a Chevy 6.0? In Chevy 6.0 engines the knock sensor sits underneath the intake manifold in the lifter section. The sensor is responsible for measuring engine vibrations and detecting if there are any unusual vibrations, aka if any “engine knock” is occurring. Engine knock happens when a gasoline burns unevenly in a cylinder. How much does a knock sensor harness cost? Purchased these sensors based off of the reviews. My 2004 Chevrolet Avalanche recently failed smog check due to one of the knock sensors being low voltage and check engine light. Auto parts stores...
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What kind of truck is the 1985 Chevy Silverado?

What kind of truck is the 1985 Chevy Silverado? This 1985 Chevrolet K10 Silverado 4x4 has the beefy stance of an upgraded pickup which makes these square body trucks look so good. More than just intimidation, there is true value in a truck with ... How much does a 1985 Chevy C10 cost? If you would like to discuss your Hagerty Insurance policy, please call us at 877-922-9701. **Figure based on a stock 1985 Chevrolet C10 1/2 Ton valued at $8,600 with OH rates with $100/300K liability/UM/UIM limits. Is there a 1985 Chevy Silverado K10 4 wheel drive? This 1985...
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When does an idler pulley need to be replaced?

When does an idler pulley need to be replaced? Most engines use one idler pulley, and one tensioner pulley, though some designs do use more than one idler. Over time, idler pulleys will eventually wear out and need to be replaced. Usually a bad or failing idler pulley will produce a few symptoms that can notify the driver of an issue. 1. Visibly worn pulleys What does it mean when your idler pulley rattles? Average rating from 138 customers who received a Loud squealing or rattling is coming from engine Inspection. Idler pulleys are engine pulleys that are responsible for...