Air Pump Simulator DIY for $12.45 I have completed my final version of my air pump simulator and it passed the testing this morning with no error codes. All parts from Radio Shack and total cost $12.45. No more $150-$200 to buy these online. I will post the complete DIY this evening when I get home from work. Here's a picture of the unit: http://i222.photobucket.com/albums/d...PunpDIY010.jpg http://i222.photobucket.com/albums/d...PunpDIY006.jpg |
wait, what? why are you removing your secondary air pump? just curious... |
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The air pump only runs for 2-3 minutes during warm-up to help the cat reach operating temp sooner. That is it's only purpose and I bet it weights 10 pounds. |
are you sure Nick G cant incorporate the elimination of the SAP into his software, as he does with the DISA valve? also, how did you plug up the hole for the secondary shut off valve?? Quote:
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Dude, chill out on the solder. Haha, use some flux next time and practice makes perfect! |
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John S |
Air Pump Simulator DIY DIY Secondary Air Pump Simulator. Secondary Air Pump Parts Needed (All Purchased @ Radio Shack): 1 - Component PC board (#276-149 $1.99) 1 - Component Project Enclosure (#270-1802 $2.69) 1 - SPDT * PC relay miniature 12vdc 10V (#275-248 $4.69) 1 – 5V Voltage regulator (# 276-1770 $1.59) 1 - 100K – ohm Micro Potentiometer (#271-284 $1.49) Tools Needed: Soldering pen 7 watts or higher Solder Wire Digital volt meter Place relay, potentiometer and regulator on board as shown in picture. Solder all pins on back side of board. Go to wiring diagram and make connections. When finished test unit by hooking to 12 volts and set potentiometer with a screwdriver to 200mv from pin DME wire to ground. Potentiometer should be between 45,000 and 50,000 ohms if you want to ohm it out. Questions to jsmith50@tampabay.rr.com ***This is for off road use only*** ***I accept no responsibility for items burned out or damaged by mis-use of this devise. The DME & O2 are sensitive devises and can be destroyed by sending the wrong voltage to the units*** Top Of Board http://i222.photobucket.com/albums/d...TopofBoard.jpg Bottom of Board http://i222.photobucket.com/albums/d...ackofboard.jpg Wiring http://i222.photobucket.com/albums/d...Spoon-Feed.jpg |
wtf i was trying to look for my SAP and i didnt find anything can someone tell me where is located (m44 engine) |
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well i guess i dont have one, weird |
4 Attachment(s) some pics :eek: |
I think the secondary air pump was added in 1997. Your being a 1996 doesn't have it. |
mine is 5/96 production date |
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