FAILED Maryland Emissions test - Defender Source
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  #1  
Old May 12th, 2014, 01:31 PM
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FAILED Maryland Emissions test

Well………I have had this truck since new. Every two years it passes. Today it failed the idol test. I thought I had driven it around enough, and on the highway, before the test.

Here are the two areas I failed.

Emissions Reading: HC (ppm) was 185 / State standard is 175

CO % was 2.86 / State Standard is 1.00

-----------------

So now I have up to 4 months - then I can get a free retest. If I fail again, they give me 30 days every time it failed - no more free retests. Part of me says just wait 4 months and see if it fails, but if my test results are bad (I have no idea) - then that probably does not work.

If I fail again, but If I can prove I spent $450 on emissions, they will wave me for another 2 years. They gave me a list of 'certified' repair centers.

-----------------

ALSO - once the car is 20 years old (which would happen in the next 2 years), I could go for Historic Tags in Maryland - AND NEVER NEED TO BE TESTED AGAIN.

They say this means that I just can not drive the car every day - which I don't - so it does not sound like a big deal to me. Anyone thought of doing this??

-----------------

Opinions?

FLAGG
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  #2  
Old May 12th, 2014, 01:35 PM
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Start with the easy items. Assuming you are not firing any codes, How old are the plugs and wires? Are the plugs at the correct gap?
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Old May 12th, 2014, 01:47 PM
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Was truck cold when these numbers were taken?
Grab some techrom and run through that.
How the PVC system?
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  #4  
Old May 12th, 2014, 02:20 PM
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I would do a couple things first. Run a tank of premium gas thru it, then retest. DO NOT spend any money remediating the problem before your second fail. Take it thru again after burning the premium. If you do fail a second time, then begin by doing the simple things first. Cap rotor wires plugs timing. Then if it still fails it may be the O2 sensors have gone bad. Sometimes a turn of the diz a degree one way or the other will cure it. The high CO makes me think it is not timed real well.
In any event keep all reciepts for the parts. The $450 expense for the waiver includes labor. I went thru the expense of buying over 450.00 worth of tune up parts, o2 sensors and stuff, and the guy there at the testing station credited me 250 worth for my own labor, so I didn't have to spend as much as I did. Then the truck promptly went up in flames after getting the waiver.
If all else fails, try Independent Land Rover in Bethesda. They'll get it sorted.

PS the historic tags are for vehicles 25 years or older or a special edition with historic significance.
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  #5  
Old May 12th, 2014, 02:50 PM
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How fresh is the engine oil? Check the tee piece inline with the pcv to see if it's clogged? How about the flame trap- oily crud in there? Distributor vacuum unit wouldn't cause high co, but if the timing isn't advancing correctly under partial throttle operation, it can't be helping much.
These are things I would look into after confirming the secondary ignition system is working well!
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  #6  
Old May 12th, 2014, 05:05 PM
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I have a question, how would running premium gas in a motor not designed for it improve emission test results? I may be wrong but I thought premium 91 octaine is slower burning fuel for high performance cars with high-compression engines. So wouldn't you increase unburnt fuel coming out the tail pipe?
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Old May 12th, 2014, 05:22 PM
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The NAS trucks are supposed to get premium... Right? Or I am I just conditioned to buy it?
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  #8  
Old May 12th, 2014, 05:33 PM
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start at 2:20. i saw it this morning on TV ironically.
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  #9  
Old May 12th, 2014, 06:23 PM
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Bert,

If you visited the emissions station located off of Broken Land Pkwy and failed may I suggest,

*I'm not an expert and don't take this as gospel but

-try to drive your 90 15 mins or more daily for 2 weeks prior to going back for retest
-run 93 octane for the entire time until you go back for re-test-save receipts

If you fail again purchase oil and filter, spark plugs and wires and O2 sensors
-change your oil and filter, replace your spark plugs and plug wires (if you haven't done so since 50,000 miles), 02 sensors fill up and return for retest
-if you fail, showing your receipts for all the above purchased items should take you into the range of proof of repairs



FYI-there is/was a Land Rover enthusiast working at the Broken Land Pkwy location and loves talking any and everything LR. He never put my 94 RR through the extremes of testing. Unless the current Gov administration has put more emphasis on testing 4x4's or management has changed at this location, lucking up with him retesting should provide you with a pass receipt. GL.
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  #10  
Old May 13th, 2014, 09:38 AM
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Thank you for all the comments, suggestions and ideas. My oil was last changed near the end of the fall. Other maintenance suggestions are good to start checking into.

I always run premium gas because that is what I thought you had to do.

I thought I had ran the car enough. I ran it about 10 minutes on the highway, then stopped at the bank, then ran it another 15 minutes on the highway getting to the emissions place. It has sat 3 days prior to this. Perhaps I need to take it on a LONGER run before retesting.

O2BATSEA - Your suggestions seems good. I am debating on doing nothing before the retest - and waiting until early September to do it Since they gave me 4 months!

----------------------------

Also - Check about half way down this link:
http://www.mva.maryland.gov/About-MV.../27300-28T.htm

20 years for Historic Tags in Maryland - and it seems like the amount that I drive the truck, I could get away with these tags. I even called the MVA to confirm.

Regardless of how my emissions process ends up this summer (test again, have to pay $450, etc), I am really thinking of going this route. I will get two years before the next test. My Defender would pass the 20 year mark. I would never have to test again.

------------------------------

ROVER94 - Good to hear from you! Your suggestions sound good. I did test at the Broken Land Pkwy location. WHAT IS THE NAME OF THE ROVER ENTHUSIAST? Might be good to know.

FLAGG
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  #11  
Old May 13th, 2014, 10:33 AM
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Thing is, if you fail, you can't get it registered. Not even as a Historic. You have to have a clean title. If MVA sees that there is a failed emissions, you'll have to get that taken care of before you can do anything.
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  #12  
Old May 13th, 2014, 10:39 AM
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Flagg, bring it to HH this Thursday and we will get it sorted. Seriously.
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  #13  
Old May 13th, 2014, 11:50 AM
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O2Batsea - OK……..I can see that point. Well if I solve it this summer - and get it to PASS - then I could go historic

Down-Shift - HH is happy hour? I have never been able to make one of these things. This is the one that always goes on in DC/VA, right? Traffic is TERRIBLE for me to come that way from Columbia - and we have 3 kids (including a newborn). I know I won't be this this thursday

FLAGG
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  #14  
Old May 13th, 2014, 12:02 PM
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Yes, 44 miles from Columbia to Kilroy's. Understand the traffic as it is tough for all. Congrats w/ the newborn. My #3 just turned two. It gets easier.
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  #15  
Old May 13th, 2014, 01:38 PM
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Down-shift,

Thanks for the invite! I will make it there at some point.

You guys have anymore that come from Maryland? Someday we should maybe think about something like the Buffalo Wild Wings in College Park, by IKEA. We could all park our trucks in the IKEA lot, and then walk to the Buffalo Wings right next to the parking lot.

Just a thought.

And thanks for the congrats on #3. People do say it gets easier But a child is such an awesome miracle either way………Congrats to you on your 3 kids too!

FLAGG
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  #16  
Old May 13th, 2014, 02:07 PM
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A few attend from MD and a few from greater distances. Do you work in DC? If so, you are halfway there. Pencil in the 3rd Thursday. It is a standing gig.
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  #17  
Old May 13th, 2014, 04:47 PM
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Down-shift - I will get there at some point! Thanks for the invite!

------ Follow up post added May 13th, 2014 04:51 PM ------

OK - best case scenario would be to do nothing and have it pass the second time

Most likely I will follow the advice of all the maintenance suggestions on this thread - and get it to pass.

--------------------------------

Paying $450 in parts and labor would buy me two years if I failed, however I am really thinking of taking this Historic Tag route in 2015, and never going to emissions again! But it sounds like I need it to pass in order to go that route to get the 'Failed' off my cars record.

So what is my worst case scenario? How many parts can be bad, and how much do they all cost

FLAGG
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  #18  
Old May 13th, 2014, 06:31 PM
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I had a Subaru that failed in Colorado. Get this stuff called 44k add it to a 1/4 tank of high test fuel. Run almost all of it out and before it is empty go retest your truck.
It works.
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  #19  
Old May 13th, 2014, 07:30 PM
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Sounds like a good excuse to check all your vacuum lines, breathers, and run a can of Seafoam through the fuel and intake.
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  #20  
Old May 13th, 2014, 08:06 PM
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Quote:
Originally Posted by Daddymow View Post
I have a question, how would running premium gas in a motor not designed for it improve emission test results? I may be wrong but I thought premium 91 octaine is slower burning fuel for high performance cars with high-compression engines. So wouldn't you increase unburnt fuel coming out the tail pipe?
I'm pretty sure they take premium, but will run fine on lower fuel grades. Newer Land Rovers can be more finicky about fuel grade than older ones in my experience.
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