2001 Toyota Tundra Check Engine Cylinder 7 Misfire

This is what I have learned so far.

2001 toyota tundra check engine cylinder 7 misfire. Check engine light started flashing. The check engine light st. Vacuum leak If your Tundra has a vacuum leak it can be very difficult for it to get the right airfuel mixture.

Low fuel pressure can cause intermittent misfires on multiple cylinders. I have taken my 2000 Tundra 47 v8 to the shop twice for a bad misfire with check eng light. Step 1 Turn the Tundras ignition to the On position.

It only happens when you start the engine and the engine is NOT at operating temperature. 2001 Toyota Tundra Limited. Check the condition of your spark plugs and spark plug wires.

The auto repairs diagnosis time and labor rates vary by location vehicles make and model and even your engine type. Heres how to test them. Use a digital volt meterput it on the ohm scale check number 2 fuel injector should be 11 to 16 ohms if not reads zero fuel injector faultyif numbe 2 fuel injector okayuse noid light hook it to fuel injector electrical connector with fuel injector disconnected and see if pcm is firing the fuel injector noid light should blink when cranking the engineif light steady pcm not firing 2 fuel injectorif noid light dont light upthere is a open in the wiring connector 2 fuel injector.

The usual suspects that cause a misfire are. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 3. This will cause the cylinders to misfire and itll throw the P0303 if the leak is around that specific cylinder on the intake manifold.

Hey guys im stumped the other day driving down the freeway the tundra started to rattle and loose engine power. The next day there is a 95 chance that the truck will start with a rough idle and a misfire. Use a voltmeter to test for battery voltage at the ignition coils positive terminal.