It sounds like the ENGINE MANAGEMENT has a problem which is a computer which controls the engine timing and particulary the idle(tick over)speed. What you have to do is take it to a garage for diagnostics.
HAVE THEM CHECK THE CRANK POSITION SENSOR
2 possibles: 1:The engine was not timed correctly when the timing belt was replaced 2: An ignition lead left disconnected when the timing belt cover was replaced.
When the thermostat and radiator were replaced, coolant could have dripped into an electrical connector or a sensor could be disconnected or damaged. Check the temperature sensor and crankshaft sensors first.
2004 Chevrolet Tahoe?
To replace a mirror in a Toyota vehicle, first, the negative cable of the battery should be disconnected. Then, the mirror cover should be removed from the door panel carefully, and the wiring disconnected so the mirror can be replaced.
A bent valve(s).
P1684 - Transmission - Battery Power To Module Disconnected if battery was disconected for a while or battery replaced, it can cause to set this DTC
P1684 , battery was disconnected in the last fifety starts. Not usually a code that is a problem.P0601, pcm internal failure. The engine computer needs replaced.P1684 , battery was disconnected in the last fifety starts. Not usually a code that is a problem.P0601, pcm internal failure. The engine computer needs replaced.
I Bet You Have A Northstar Engine. Your Starter Is Under The Intake Manifold If So. To Replace This Is Nothing Short Of A Nightmare. If This Is What You Have Expect To Pay A Large Service Bill To Have It Replaced. Thanks General Motors
In general, since you replaced the engine, you most likely disconnected the battery - and that should have reset the codes. If you are getting new codes, something is wrong. Perhaps you have a wiring error or a disconnected sensor. Perhaps one of the sensors is bad.
batteries are stored energy, nothing should have happened. They say to disconnect the negative terminal for safety reasons.
bad bearings in it, the compressor, or bearings needs replaced... i just disconnected mine and took the pulley and belt off it.
Check your wire from battery to starter, sounds like it may have been pulled loose.