Some areas still pass you with 1 or 2 monitors "not ready". depending on the year and the county. Not sure what Cali does though........

The US Environmental Protection Agency (EPA) guidelines allow up to two monitorsto be in a "not ready" state for model year 1996 through 2000 vehicles and one monitor "not ready" for 2001 or newer model year vehicles.

Like someone said earlier most vehicles will be ready in a very short time of driving but I understand some can be difficult

 

for diesels 98-06 all monitors must be ready to pass smog

 

 

Going back next week. We will see. Don't know why you have to drive any vehicle more then a few miles to get it up to temps to have it pass smog. Now my truck sat over night and oil mitt not been up to temp. But if that's the case, you think they would of told you. Fuel pressure, our PCM does not monitor it. So how do they pick it up? And are we OBDII compliant? I thought not, but that is what he failed. Not trying to argue, I like the feed back. And if it doesn't pass this time, it does have to be something new for sure. I plan to drive it and bring it up to temps this time. This is excellent conversation, and it is what I wanted. Thank you to all. I'll keep you posted for sure.

 

 

"Yes our trucks are OBD2 compliant... just in the past it wasn’t fully required. It is now"

I don't understand how this can be when it is in not the design parameters of the truck when it was built. My understanding is that the 7.3 is only partially compliant and that is part of the reason that specialized code readers are necessary to do a complete reading of stored codes.

 

In my opinion they are not completely compliant. They would have to read way more things then they do. But we shall see. If you don't have engine codes, and they can not see tuners then it's up to the smoke test. And mine should pass that. It wasn't till o4 that the PCm would read much more then ours do. If fact, I don't see why they smog ours at all. But that's me. Hope I have good new next week sometime.

 

 

Annnnnnd this freaks me out just a little. I mean, in all reality, most of us won't own or drive a 7.3 in 2025, but still....just sucks.

 

 

The fact that most generic scanners won't communicate indicates they're not fully compliant to me, but compliant may be a technicality unrelated to scanners.

There is no smoke test, just a computer scan for readiness and a visual for illegal mods. If it's pumping visible smoke it's a fail, as with any vehicle, but they don't put the sniffer in the exhaust pipe like with pre-2000 gassers. 2000 & up gassers also just get a computer scan. My guy kinda sorta ignores the visuals and just does what's needed to me get a pass without blatantly breaking the law.

All the extra stringent diesel regulations I know of that will put these oldies out of commission are for commercial use. And even among those there seems to be a fair bit of hype. I have customers with old diesel equipment that have thought it'll be their last year in operation for the last 6 or so years. Another customer that bought into the hype bought DPFs for their old trucks, then removed them when he discovered they weren't actually needed. Tho I don't doubt they'll outlaw commercial use, and probably already have in some cases, the chances of the state outlawing personal vehicles is pretty slim.

 

It's a win-win for CA. They do their part for a "cleaner" America and make money. The state can hook up and read monitors if the vehicle has any OBDII capabilities . All they have to do is teach people (and they have) to look under the hood then rev the engine and check how bad the truck smokes. Then the shop charges you...then they pay the state.

 

It's actually called a snap test, and not all places will do it. Heck, at the same place I've always gone for my trucks, when the diesels first started getting smogged, between two different techs, one tech would do the snap test and the other tech didn't. Now, years later, neither of the techs do the snap test.

Stewart

 

Thanks for the correction, I found the rules and they do require a snap test. 3 snaps, the first of which can smoke without failing the test. My guy didn't do the snap test or even look at the exhaust at all. I don't know if he doesn't know he's supposed to or ignored it because it's mine. He also failed my buddy's truck for not having a CARB approved intake, but the law allows for ANY air intake/filter system so he's obviously ignorant of the diesel requirements. I did some reading and it also says they're supposed to check for smoke from the crankcase vent, but I assume that's only if it's vented to the atmosphere and not a closed vent like we have.

 

Guys, just to bring you up to date, I went to work with my son yesterday and am going to the lake in the morning. It won't be till next week before I bring it back for retest. So I will report back then. Sorry for any buddy waiting to see results. God bless,

Chet