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Old 10-16-2010, 09:40   #1 (permalink)
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Flunked CAL SMOG pretest!

I have a '94 Ford Escort, 1.9 L.

I barely flunked the smog pretest. The HC was only 7 ppm. too high!

So I put in new Champion plugs, the old ones were tan-white, nothing serious, just the gaps had widened, and plugs were old.

Before I did this, the low idle was a bit sluggish, and uneven, and the smog guy had trouble getting it to hold steady.

Since the new plugs, idle is steadier. Cleaned PCV, air cleaner OK. I ran "guaranteed to pass" w a full tank of Chevron gas beforehand.

I would like to check the gas filter, but I think I would have to raise the car to get to it, hassle.

Do you think it will pass now? Deadline is Oct. 22, I am on the DMV sticker, which they charged me $ 50 for!

Or should I do more things?
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Old 10-16-2010, 12:14   #2 (permalink)
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Re: Flunked CAL SMOG pretest!

Check to make sure there isn't a vacuum leak. A lean mixture, poor spark and several other things. If the oil hasn't been changed in awhile, I'd change it too. Vapors from the oil are run through the PCV. Also, run this test to see if there are any codes.
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Old 10-16-2010, 15:44   #3 (permalink)
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Re: Flunked CAL SMOG pretest!

Oh, I forgot, I did change the oil!

Geez, it shouldn't take much to lower the HC 7 ppm., ya know?
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Old 10-25-2010, 07:44   #4 (permalink)
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Re: Flunked CAL SMOG pretest!

I had a guy put the new irridium plugs in, then went for a smog test again.

FAILED!!!!

HC at idle over 100ppm. too high! EVEN HIGHER than before!

Smog dude says I should have put in Platinum Plus plugs, gapped at .054.

I think the dude that put the plugs in screwed them up, broke the tiny wire tip or something. So I bought PP plugs, just in case.

Smog dude says clean out the throttle body, so I will do that too.
Engine stumbles occasionally under load.

Please comment, and give me some help!
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Old 10-25-2010, 08:12   #5 (permalink)
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Re: Flunked CAL SMOG pretest!

I like the platinum plugs better too. I'd only use Autolite or Motorcraft. Clean the MAF with MAF cleaner too.
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Old 10-25-2010, 09:14   #6 (permalink)
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Re: Flunked CAL SMOG pretest!

Could check and clean ICV / Throttle body , and EGR valve , common faults . If he " broke the tiny wire tip or something " , that wont help either and needs to be fixed also .
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Old 10-27-2010, 08:54   #7 (permalink)
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Re: Flunked CAL SMOG pretest!

We pulled the plugs yesterday, and a plug tip wasn't even connected! Gaps were all over the place.
So we regapped them at .0054.

But I drove the car, and it bucked a bit, and did a few stumbles later. So I have to check it out again.

I will clean the throttle body and MAF today.
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Old 10-28-2010, 22:44   #8 (permalink)
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Re: Flunked CAL SMOG pretest!

Hi, check the rubber air intake tube; They are known for cracking and leaking on slight acceleration, because as the engine moves, the cracks in the air tube open.
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Old 10-29-2010, 10:09   #9 (permalink)
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Re: Flunked CAL SMOG pretest!

Rubber air intake tube?

There is a crack in the tube!!!! Thanks for bringing that up! I will tape it over today, and drive the car, just to see if that is a problem.

Someone pryed off my front grill piece last week! Then I notice that the right hand lamp cover is separating apart! I think someone took a srewdriver to it.

I will have to cement it back into place, with glue, then I will silicone it over, to keep the rain out. Any best choice of glue, anyone?
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Old 10-31-2010, 07:08   #10 (permalink)
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Re: Flunked CAL SMOG pretest!

I drove the Escort twice since taping the air tube. It did not stumble!
I also put a bottle of rubbing alcohol in the gas tank, to wipe out any water I may have picked up with the last refill. I will drive again today.

Do I really need to clean the MAF?

Some say don't mess with it, others say do it. ??????? I picked up a T-20 torx wrench to day and will unscrew the MAF housing and do it.
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