20 Most Recent 2006 Toyota Tundra - Page 5 Questions & Answers

jumped with other car running? if it clicks, we next hot wire the starter solenoid, if it clicks now with good battery (or running jump), it's a 1: bad starter. or 2: seized engine (turn by hand? yet) if it cranks fast now hot wired, the KEY line is dead ask how to fix either.

Determine if the heater core is plugged first by grabbing both heater hoses. If they both are cool the the core is plugged or the water control valve isn't letting water in. If both hoses are warm then the air diverter door hasn't moved to direct air thru the heater core.

get the FSM, on cars with blend electric motors, this can only be tested with a real FSM. that is because no 2 cars use the same motor. (unique to your car) the book covers this 100$% if lucky so does , addlata.com,, see HVAC sections and all the simple steps. (the books show how to hot its pins and see if door moves right , photos and all....) if and old car it has cables. if vacuum system, its even more tricky.... ask.

Most likely lifters rattling. Under torque? How are you with your past maintenance?

BAD FUEL TANK SENSOR WILL CAUSE PROBLEMS.ITS CONTROLS EVAP EMISSION CONTROLS.ANY THING AFFECT EMISSION CONTROL WILL EFFECT FUEL MILEAGE.

Usually under driver side dash on side or under dash

you need to go for a smoke test to find were the leak is