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Forum: S-Series Tech 06-28-2014, 08:47 PM
Replies: 33
Views: 33,257
Posted By 1996SL11.9L
Re: Jerky Saturn problem narrowed down to EGR valve. What next?

Before taking the CAT route you first need to remove and clean the back side of the pintle on the egr valve.........

then while its off try and run a wire rope or what not into the hole that comes...
Forum: S-Series Tech 08-27-2010, 09:32 AM
Replies: 33
Views: 33,257
Posted By 1996SL11.9L
Re: Jerky Saturn problem narrowed down to EGR valve. What next?

yea, I meant the 0401.

FYI my innova scanner has an amber light for pending codes and red for actual codes.

My scangaugeII thinks both the pending and actual codes are the same. It tells me...
Forum: S-Series Tech 08-26-2010, 07:07 PM
Replies: 33
Views: 33,257
Posted By 1996SL11.9L
Re: Jerky Saturn problem narrowed down to EGR valve. What next?

bet your LTFT is back to normal instead of -14.

with 160,000 on mine I should do it as well but cant justify it yet.
If I play hard sometimes I will get the 1406 pintle home code. it only...
Forum: S-Series Tech 08-25-2010, 12:49 PM
Replies: 33
Views: 33,257
Posted By 1996SL11.9L
Re: Jerky Saturn problem narrowed down to EGR valve. What next?

How can the exhaust deliberately being put in the air stream lean out the fuel mixture?

It is already a dead, spent, inert gasses. It takes place of some of the combustion air and lowers the...
Forum: S-Series Tech 08-25-2010, 07:06 AM
Replies: 33
Views: 33,257
Posted By 1996SL11.9L
Re: Jerky Saturn problem narrowed down to EGR valve. What next?

Exhaust gas is already burned. nothing more left in it to burn. O2 all used up or most of it anyway. hence non-combustable. It is used to lower combustion temp because it dilutes the combustion air...
Forum: S-Series Tech 08-19-2010, 09:52 PM
Replies: 33
Views: 33,257
Posted By 1996SL11.9L
Re: Jerky Saturn problem narrowed down to EGR valve. What next?

if your cat is getting clogged the excessive back pressure could be going into the engine via the egr valve and cause a rich condition (its a non combustable gas) and cause it to trim fuel (your LTFT...
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