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Old 07-12-02, 02:22 PM   #1
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Disconnecting EGR =?

Hey guys,
If I disconnect the electrical connector going to the EGR valve and don't put a resistor in it, what happens? I haven't gotten a check engine light but are timing/fuel maps affected at all by this?
thanks!
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Old 07-12-02, 02:25 PM   #2
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i didn't and i havnt seen any problems
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Old 07-12-02, 02:31 PM   #3
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If its a 93 FD no code will show. If its a 94+FD it will read a check engine code.
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Old 07-12-02, 02:38 PM   #4
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Street King, I have a 93 (Cal ECU), and I get the EGR code when I disconnect the electrical connector.

Marshall, it shouldn't cause any problems with your timing or fuel. The EGR is only active in 5th gear at cruise, so disconnecting it makes no difference to the important parts of your maps (WOT).
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Old 07-12-02, 03:02 PM   #5
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OMM my bad forgot to add that part. I was talking about non-cali. If its a cali ECU, it will throw a code no matter what year. EGR valve I heard is only active between a certain rpm. Like from 2850rpm-3215rpm...... something along those lines in any gear.
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Old 07-12-02, 03:30 PM   #6
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also if the EGR is bad it can leak boost. So I just plugged mine just another worthless pc. of emissions


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Old 07-12-02, 03:41 PM   #7
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Quote:
Originally posted by Dont_Be_A_Rikki
also if the EGR is bad it can leak boost. So I just plugged mine just another worthless pc. of emissions


-Rikki
I didnt know that. I should get mine plugged but I need to use a relay to trick the ECU. But Iam totaly lost when it comes to electrocincs. My ECU throws EGR codes every now and then.
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Old 07-12-02, 04:43 PM   #8
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what voltage range does the egr work with on the 93 rx7?

reason why i ask is because on my mustang the egr works between 0-5 volts. this is perfect for logging the diy-wb. i'm sure you get the idea.

thanks
sam
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Old 07-12-02, 04:59 PM   #9
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Quote:
Originally posted by Dont_Be_A_Rikki
also if the EGR is bad it can leak boost. So I just plugged mine just another worthless pc. of emissions


-Rikki
...and you know what I say about emissions Ryan...


...They're for tree hugging hippies...
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Old 07-12-02, 05:24 PM   #10
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http://www.rx7club.com/forum/showthr...threadid=67757

Check this out for the EGR fix
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Old 07-12-02, 05:58 PM   #11
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What I did for my Cali car was to just install an EGR block off plate in between the EGR and the manifold. That way the ECU still thinks the EGR is there (because it is) but the passage way is still blocked off. Plus, if I ever got a visual smog inspection by someone who REALLY knows what they are doing, they'll still see the EGR right where it is supposed to be. They'd have to actually remove the damn thing to know it was actually blocked off.
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Old 07-12-02, 05:58 PM
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