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Old 12-22-2011, 08:56 AM   #1 (permalink)
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Default EGR Modulator

Evidently the sticker came off my modulator. I didn't realize there is a P and Q for vacuum hose connections. Is there a way to tell? If one pulls the little cover off the top and removes the filter, there is a little hole in the plastic.

Sitting in the vehicle is that hole orientated toward the throttle body or the right fender? If someone knows how to tell or would kindly do a hands on looksie, I would appreciate it.

One more question. Do all Sidekicks fall under "Federal" emissions.? I am using a 93 fsm (tracker) and it talks of resetting the maintenance whatever that causes the check engine light to come on and stay on.

I attempted to read flashes last night to fix the code it threw....no flashy, just stared at me without blinking.

Thanks
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Old 12-22-2011, 11:16 AM   #2 (permalink)
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The reset for the SES is located behind the left front speaker. It's a little toggle switch. Just switch it to the opposite position that it's in now and you should be good to go for a few years.
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Old 12-22-2011, 11:54 AM   #3 (permalink)
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Are you talking about the little hole that is in one of the nozzles as you are looking inside the modulator?? If so, that is the P side and goes toward the throttle body.
The service engine soon switch can be in a number of places - some behind the left speaker - mine is behind a little door under the steering wheel - its just a sliding switch, if you find it, just slide it to the other side. Normally you can tell if its the nag that is on, as it goes on at an even mileage.
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Old 12-22-2011, 12:39 PM   #4 (permalink)
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Quote:
Originally Posted by Bex View Post
Are you talking about the little hole that is in one of the nozzles as you are looking inside the modulator?? If so, that is the P side and goes toward the throttle body.
The service engine soon switch can be in a number of places - some behind the left speaker - mine is behind a little door under the steering wheel - its just a sliding switch, if you find it, just slide it to the other side. Normally you can tell if its the nag that is on, as it goes on at an even mileage.
Hi Bex, on mine with the filter removed, the tiny hole does not line up with either vacuum hose connection. It is off set.
_ hole
P/Q ??______________P/Q?? ( top view filter removed)

This is how mine looks looking down Again my orientation will be from the driver seat

Thanks.


(nipple(s) are where the vacuum hose(s) connect. on the outer side of modulator. If this crude drawing doesn't help I'll take a pic.
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92 Honda LX Wagon
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Old 12-22-2011, 12:53 PM   #5 (permalink)
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If you look from the outside, does the side of yours, under where the nozzles would be, have a vent hole? If so, that vent hole should be under the Q nozzle and point toward the EGR valve (the one with the diaphragm)
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Old 12-22-2011, 01:29 PM   #6 (permalink)
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[IMG][/IMG]
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1994 Suzuki Sidekick 2dr 1.6, SOHC, 8valve, 4x4, Auto hubs, Manual trans, Mfg Cami

92 Honda LX Wagon
84 Toyota Corolla
03 Suzuki DRZ 400s
75 Ford LT 125 12hp Tractor/w plow.
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Old 12-22-2011, 01:52 PM   #7 (permalink)
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See the little hump on one of the nozzles? That's Q. And that goes toward the EGR valve.
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'91 Tracker 8V, 1.6L, 5 sp, 4wd, 2dr, conv, CAMI, horribly rusty
'97 Suzuki Vitara 8v, 1.6L 5 sp, 4wd, 2dr, tintop, horribly purple
'61 NSU Quickly - 150mpg
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Old 12-22-2011, 02:06 PM   #8 (permalink)
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Quote:
Originally Posted by Bex View Post
See the little hump on one of the nozzles? That's Q. And that goes toward the EGR valve.
Thanks Bex. Sorry for the confusion. Oh remember that plunger I was talking about in the EGR valve...that does move...when under acceleration (reving up under hood.)

Now if the reset switch works and the check engine light goes out.
I will be ready to time it with a timing lite.

I had a no start after T/B job...I was off 1 or 2 teeth. Didn't pay attention when tensioning belt.. Do and learn..lol! But for christs sake 11 o-clock rotor position seems a some what VAGUE....imo.

If FSM had said rotor facing # 1 on cap would have saved me some time.

Thanks again.

Have a good x-mas.
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1994 Suzuki Sidekick 2dr 1.6, SOHC, 8valve, 4x4, Auto hubs, Manual trans, Mfg Cami

92 Honda LX Wagon
84 Toyota Corolla
03 Suzuki DRZ 400s
75 Ford LT 125 12hp Tractor/w plow.
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Old 12-22-2011, 02:15 PM   #9 (permalink)
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Pah. Should have searched forum and found this:
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'91 Tracker 8V, 1.6L, 5 sp, 4wd, 2dr, conv, CAMI, horribly rusty
'97 Suzuki Vitara 8v, 1.6L 5 sp, 4wd, 2dr, tintop, horribly purple
'61 NSU Quickly - 150mpg

Last edited by Bex; 01-22-2013 at 05:37 AM.
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