540k MILES?! Toyota Sienna: Intermittent Misfire

540k MILES?! Toyota Sienna: Intermittent Misfire

This 2000 Toyota Sienna has over HALF A MILLION miles on the original drivetrain!!

Owner says that it’s running rough and the Check Engine light is blinking.
P0305 is set.

Place your bets now!

THINK TOOL PROS:
https://www.amazon.com/dp/B08XXWHQVJ?ref=exp_pinehollowautodiagnostics_dp_vv_d

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Erwin Allen says:

My 1973 Ford Mustang had 421,000 miles on it before I parked it for a lot of gray smoke out the tailpipe.

TeeKay says:

I say fuel injector or injector pump related…..(at the 1:36 mark)….and at the 11:00 mark I'm completely wrong. I need to get my own scanner.

Fljeff7 says:

With this many miles I would compression test first

tony monastiere says:

The new Sienna is a great piece of engineering. The m.p.g. is GREAT!!!
Thnx, Happy Easter.

Rob Peabo says:

Toyota sedans & vans are described as “boring” vehicles, and for the most part they are, but they sure a hell are reliable vehicles, especially those that are maintained.

Willie Gillie says:

It’s amazing, back then they actually built cars that lasted. Now days they sit parked at the dealerships and no one offers a bumper to bumper 100,000 mile warranty any more. You pay expensive shop repairs with less then 50,000 miles on the odometer. Things have sure changed, but not for the better.

Rob Lord says:

Thats a lot of miles, – but how do we know the engine is original ?

AboutMy FathersBusiness says:

Only the alternator? Would love to know the brand of brake pads, as well as all the fluids he uses for the drivetrain and cooling.

Benjamin Kline says:

How many timing belts have been replaced at that milage

Glycerin says:

500K miles and it's biggest issues are burning a quart of oil every 500 miles & the spark plug wires were no good. That's Toyota.
I also could have gotten cheap spark plug wires when i replaced them in my Subaru in 2015 @106K miles. But I spent over $35 getting NGK. And bought NGK Iridium IX plugs. The car runs very nicely.

Paul Sz says:

Hi Ivan, great video. A real testament to to Toyota’s reliability…The owner was only let down by sub-par, aftermarket ignition leads.

Greg White says:

Anyone who keeps a car that long and for that many miles is one smart cookie. Even smarter, calling you in to find the problem!

Radio Rescue says:

I had the same thing happen when i bought some Autolite junk wires for a Nissan Frontier I owned. Straight out of the box I had a misfire. Swapped with a known good wire it ran fine. Stay away from those junk Autolite wires. Denso or dealer wires for me from now on.

Richard 1 says:

What would be a good set of spark plug wires from say an Advanced Auto Parts or O;Reilly's? Thank you Ivan

riblets1968 says:

I heard some good things about the 1MZ. If this is a typical example, it's probably one of the best automotive engines out there, along with the 5VZ-FE perhaps.

Alan luscombe8a says:

I have a 03 sienna with 221k on it and I like the van I just hope it keeps going for a while. It runs and drives good I do have an issue with the lights kind of flickering for some reason and my struts are a little worn out

David Grandstaff says:

Hey Ivan, quick question about your scope setup. Did you have an attenuator on channel one or were you not concerned about the voltage spike on the control wire(zener diode, circuit layout, ignition setup, etc)?

Patrick #GR says:

You make it look so easy, great job!

Paul C Townsend says:

Autolite plugs are not junk they work really well in a FOMOCO.

Pete Bach says:

Once again, going cheap on maintenance costs much more in diagnostic time than was saved in parts. Ended up buying the OEM high voltage wires anyway. This was a needless repair, but well done. … Best get that exhaust manifold repaired before it creates consequences.

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