EGR Delete: Benefits/Drawbacks? - S-10 Forum
 
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post #1 of 9 Old 06-07-2011, 07:19 PM Thread Starter
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EGR Delete: Benefits/Drawbacks?

Hey everyone. I keep noticing EGR delete plates for 4.3L engines on eBay and elsewhere. What exactly are the benefits or drawbacks to removing the EGR? Would it cause damage or throw the Check Engine light on? Does it improve gas mileage?


1998 GMC Jimmy 4.3L SLT
~129,000 Miles

Mods: eBay Eurotails, Spectre CAI, B&M transmission cooler, deep trans pan, interior LEDs, Posi-Lok

2007 Chevy Trailblazer 4.2L LT
~48,000 Miles

Mods: K&N CAI, trans cooler, deep trans pan, bull bars, LED spot lights/light bar, interior LEDs,
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post #2 of 9 Old 06-07-2011, 07:40 PM
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Re: EGR Delete: Benefits/Drawbacks?

Does not improve gas mileage, does help keep carbon buildup out of motor.1996 or newer does not need block off plate just delete it in a tune and it will not open and no check engine light. If you use a block off plate on OBDII you will have a check engine light and have to get it turned of VIA tune so might as well just get everything deleted with a tune. You can use a block off plate to completely remove the EGR and give you a little more room is so desired...I just left mine on and deleted it through the tune as well as my kids.

OBDI you will need a block off plate and need Brian at tbichips or someone else that knows how to program chips delete it for you.
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post #3 of 9 Old 06-07-2011, 07:58 PM Thread Starter
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Re: EGR Delete: Benefits/Drawbacks?

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Originally Posted by onesickbravada View Post
Does not improve gas mileage, does help keep carbon buildup out of motor.1996 or newer does not need block off plate just delete it in a tune and it will not open and no check engine light. If you use a block off plate on OBDII you will have a check engine light and have to get it turned of VIA tune so might as well just get everything deleted with a tune. You can use a block off plate to completely remove the EGR and give you a little more room is so desired...I just left mine on and deleted it through the tune as well as my kids.

OBDI you will need a block off plate and need Brian at tbichips or someone else that knows how to program chips delete it for you.
Wow. What about removing it, blocking it off, securing it and leaving it plugged into the computer? Eliminates the need for a tune, but keeps the light off?

1998 GMC Jimmy 4.3L SLT
~129,000 Miles

Mods: eBay Eurotails, Spectre CAI, B&M transmission cooler, deep trans pan, interior LEDs, Posi-Lok

2007 Chevy Trailblazer 4.2L LT
~48,000 Miles

Mods: K&N CAI, trans cooler, deep trans pan, bull bars, LED spot lights/light bar, interior LEDs,
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post #4 of 9 Old 06-07-2011, 08:05 PM
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Re: EGR Delete: Benefits/Drawbacks?

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Originally Posted by ComputernerdBD View Post
Wow. What about removing it, blocking it off, securing it and leaving it plugged into the computer? Eliminates the need for a tune, but keeps the light off?
Wont work...you will get a CEL.
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post #5 of 9 Old 06-07-2011, 08:07 PM
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Re: EGR Delete: Benefits/Drawbacks?

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Wont work...you will get a CEL.
If you have a 1996 or newer and want to delete it just get a WFM tune and have Jesse delete all the egr crap...send in your computer and it is $75 and you will get better mileage and more horse power with the tune.
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post #6 of 9 Old 06-07-2011, 08:11 PM Thread Starter
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Re: EGR Delete: Benefits/Drawbacks?

It is a 1998. I will look into it. Thanks for your help.

1998 GMC Jimmy 4.3L SLT
~129,000 Miles

Mods: eBay Eurotails, Spectre CAI, B&M transmission cooler, deep trans pan, interior LEDs, Posi-Lok

2007 Chevy Trailblazer 4.2L LT
~48,000 Miles

Mods: K&N CAI, trans cooler, deep trans pan, bull bars, LED spot lights/light bar, interior LEDs,
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post #7 of 9 Old 11-04-2011, 03:57 PM
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Re: EGR Delete: Benefits/Drawbacks?

I have remove my EGR but i didn't find any drawbacks in my car. It is running just like as before. I don't think it has down side effect of disabling the EGR valve. Some says that you will get low mileage poor car performance but nothing happened with my car. Its running nicely.
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post #8 of 9 Old 11-11-2011, 11:08 PM
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Wink Re: EGR Delete: Benefits/Drawbacks?

Hi everyone...new guy to the forum...with a question about the EGR delete. I have a '97 S10 (X Code VIN) 4.3 and I'm rather frustrated with the EGR system. I had a P1406 code, replaced the EGR valve, the code cleared for a time...and has now returned. Couple of questions...

Where is the DPFE Sensor (EGR Pressure sensor)?

Where is the EGR tube (my valve is mounted on top of the engine...no tube there)?

Can someone explain how I can obtain the 'EGR delete' tune?

Thanks for any help anyone can provide...
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post #9 of 9 Old 11-12-2011, 01:30 AM
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Re: EGR Delete: Benefits/Drawbacks?

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Originally Posted by FastEddie View Post
Hi everyone...new guy to the forum...with a question about the EGR delete. I have a '97 S10 (X Code VIN) 4.3 and I'm rather frustrated with the EGR system. I had a P1406 code, replaced the EGR valve, the code cleared for a time...and has now returned. Couple of questions...

Where is the DPFE Sensor (EGR Pressure sensor)?

Where is the EGR tube (my valve is mounted on top of the engine...no tube there)?

Can someone explain how I can obtain the 'EGR delete' tune?

Thanks for any help anyone can provide...
Take the EGR off and clean out any carbon blockage. That code indicates your EGR pintle is stuck due to carbon.
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