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| ECM upgrade (1227730) for stock 2.8 (Page 64/107) |
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Darth Fiero
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JUN 20, 10:48 PM
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| quote | Originally posted by jimbuca:
do you think think this modif. will pass the California smog tests |
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Don't know.
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Pyrthian
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JUN 21, 08:20 AM
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it should. better O2 sensor response, and better EGR system.
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Pyrthian
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JUN 27, 05:35 PM
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how long does it take for the ECM to "re-learn" or adjust to my motor? does it take 20 mins driving, like the Fiero ECM, or does it happen much quicker? I have yet to actually "hit the road".
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JazzMan
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JUN 27, 06:04 PM
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The idle learn is immediate. Fuel trims are fast for each cell, but it takes a while to populate all the cells. Unless you're having problems no need to worry about it.
Would be a good idea to get a scan tool so you can see your BLMs and INTs.
JazzMan
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JazzMan
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JUN 27, 06:04 PM
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. [This message has been edited by JazzMan (edited 06-30-2008).]
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Marvin McInnis
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JUN 28, 01:11 AM
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| quote | Originally posted by Darth Fiero:
Don't know.
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Wise man.
P.S. -- Thanks for this thread. Really useful information.
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MulletproofMonk
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JUN 29, 12:45 AM
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What does the "digital EVAP purge valve" for the digital cruise control look like? Can someone post a picture of the parts I would need for this?
I'll also try to see if there are some 7730 ECM at the yard if anyone needs one PM me.
-Brian
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Darth Fiero
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JUN 29, 01:19 PM
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| quote | Originally posted by MulletproofMonk:
What does the "digital EVAP purge valve" for the digital cruise control look like? Can someone post a picture of the parts I would need for this?
I'll also try to see if there are some 7730 ECM at the yard if anyone needs one PM me.
-Brian |
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The digital cruise control doesn't use an EVAP purge valve. The EVAP purge valve solenoid is used by the 7730 ECM to regulate the amount of fuel vapors entering the engine from the charcoal canister. Just about any EVAP purge valve solenoid from any late 80's and up GM car will work, as long as it is a "stand-alone" unit. During the 90's, GM mounted the EVAP purge solenoid directly to the charcoal canister in some vehicles; and these canisters were too large to fit in the Fiero's canister mounting bracket -- so they won't work. But EVAP purge solenoids that I do know for sure that will work are those found on 3800 Series 2 n/a and SC engines. They have two vacuum ports and one electrical plug. I will see if I can get a picture of one posted to this thread later.
-ryan
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MulletproofMonk
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JUN 29, 10:32 PM
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As always Ryan, you rock. I also sent a email to you about programming my memcal chip.
-Brian R
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MulletproofMonk
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JUL 01, 10:40 PM
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Someone mentioned a tool to pull the wires from the harness, where can you get it? I tried a paper clip to pull the wires and it didn't work...
-Brian
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