Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
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What is the 8th letter in your VIN# ***** will tell me what engine your truck has.
How many miles?
Any abnormal engine noises?
P0300 is a random misfire code.
P219B Fuel Trim Lean Bank 2, most common cause is a intake air leak.
A flashing check engine light, indicates catalytic converter damage can occur.
A lean bank on a engine can cause what is known as a "lean misfire" A scan tool will be needed to read the (LTFT) long term fuel trim reading from the engine.
A common thing that i sometimes find is a disconnected pcv hose that connects to the black intake tube.
Remove the upper engine cover, 1 8mm bolt holds the cover in place. On the passenger side front of the engine there is a black PVC tube that connects to the passenger side valve cover to the intake tube. Make sure the tube is connected to the valve cover and the engine.
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Please be aware that i will be asking a series of questions to give you the best possible answer. If you have any other questions please feel free to let me know.