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The P0300 engine code indicates a misfiring cylinder problem in your vehicle. The misfiring happens when insufficient fuel is burned or when the spark plug gets ...
How much does it cost to fix... · Can I fix the P0300 code myself?
and P1021 is TPS issue. Start by cleaning the Throttle Body.
What does code P0121 mean? The definition of the code means Throttle Position Sensor (TPS) "A" Circuit Range Performance Problem. Your car's TPS 'A' Circuit, like the TPS' B' Circuit, has an anticipated output voltage range (if so equipped).
The theft deterrent module probably isn't energizing the theft deterrent relay . Most of the problems with this anti-theft system is that the contacts inside the ignition key lock cylinder wear out an can't read the resistor pellet on the key or the wires on the back of the key lock cylinder break . This all mean the key lock cylinder probably needs to be replaced .Or you can do a by pass !
GM VATS Key Resistor Key Security Bypass
Nope. Your overheating is caused by other issues such as low coolant, bad thermostat, bad radiator, fan not working, etc. Till you fix it just turn your heater on full blast and open the windows to provide cooling of the engine and prevent major damage .
Broken most likely. Junk yard only parts. your cheapest bet is to go to the store and buy one of those rods that extend from 3 foot to 6 foot. They are not easy to replace.
Find the dryer for the ac and just before it is a Schrader valve that should be the low side of the ac. The refill cans you buy today will only fit on one of the valves. Good Luck