maclem8223

That's my assumption right now and I definitely won't be going with stock cats. I'll probably do the magnflows as well since they're located right down the street from my house How many are on the SC400 2?

ihiryu

iTrader: (7)

A consistent blink means there are no codes. So far so good then.

I would check for spark next. When cranking it, do you smell fuel? It could a fuel pump ecu failure

maclem8223

No fuel smell when cranking it starts right up, actually even better after replacing the battery. The fuel smell is consistent when it's at idle. The CEL and the O/D are blinking consistently so that means no codes for either. If the cats were shot wouldn't it through an 02 Sensor code or something of the sort?

1WILLY1

iTrader: (9)

the cats could maybe be the culprit.

You can buy a infared temperature reader and check the temps of the cats, see if one of them is overheating, thats how the mechanics do it.

Then you can just return the temp reader to the store when your done, wont cost u a thing to diagnose

maclem8223

Not a bad idea thanks *****

ihiryu

iTrader: (7)

How's the motor idling? Like I said before, it could be a single coil going bad

V8drummer

iTrader: (5)

^^^ Could be that, and every time you start it you're dumping raw fuel into the cat.

Unplug one coil and try starting the car.

maclem8223

what about the crazy rattling covering from the cat? that goes away when i rev it and hold it at about 2-3grand and comes back at idle.

maclem8223

So by this you mean unplug one plug wire at a time from the distributor and try starting it? If no change move on to the next one until you get some sort of results if any? Sorry guys, like I said in the first post I'm pretty new to the 1UZ...

V8drummer

iTrader: (5)

No, I mean unplug the coil itself. There's one that sits on the front of the engine and one on the driver's side. The driver's side one typically fails first. Although it might just be better to bring it in somewhere if you're hesitant to work on it.

maclem8223

Nope not hesitant at all just haven't had enough time to do research on the car yet before something broke. I'm sure I can search for info

maclem8223

Is there a DIY out there for ignition coil replacement? Not having much luck in my search...

ihiryu

iTrader: (7)

Not really, just remove and replace. There's a few bolts holding them in place though. It does take a bit to remove all of the covers though

1WILLY1

iTrader: (9)

hey sorry ive been away the last few days or so.

Guys correct me if im wrong but there is only two coils on the 400. the left and right and they both control 4 cylinders each.

There is no way his coil is bad because he would know if his car is only running on four cylinders.

It happened to me last christmas and there is no way u cant notice, your car will shake so violently u will think your engine is about to blow up literally, and will hardly reach 2000 rpm's.

it might be possible one or more of your wires or plugs is reaching the end of its life and it might be a good time to do a tune up.

Even if your wrong and its something else at least your car is tuned up , something u should so every so often anyways so your not really out any money.

if there is any new info please let us know, did u manage to check the cats at all?

Joey-E

iTrader: (1)

Sounds like one of your ignition coils is out. IF so your cats would heat up and most likely makeing that sound and smell, running on 4 cylinders with no spark, fuel, wasting gas, etc. Check your coils.