Where is the FPR? - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 06-22-2006, 03:55 AM   #11
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Quote:
Originally Posted by willwren
Murdock, is this the same catalytic converter that was on the car when you went swimming IN your car?



No Bill.. that is at my parents somewhere.. I remember snapin some pics of it.. can't find it now.. it was completely hollowed out.. just a shell of a Cat converter.

had no streetability in O/D light throttle going under 90km/h ( random hiccup) ( scavanged a lil too much I guess due to lack of back pressure ) But I was in the orange on stock pulley with the hollow cat on ( according to GM'* famous accurate gauges )

My car is registered up north and I don't need to do emission testing, so I've been thinkin of throwin it back in and fake stupid if Ministry have them surprise test on road side.. ( yes I"ve seen them do it at those shows ) and since I don't legally have to check.. how did I know before??

But my hippie tree huggin side is gettin the better side of me

I will try and figure out this new scan tool I got and see what the 02 sensors and such are tellin me tomorrow.
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Old 06-22-2006, 09:41 AM   #12
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Murdock...is this the same cat we diagnosed as bad on the Canadian sister club during the BC outage?

In case anyone doesn't know (it was before me....) here'* a reenactment of Murdocks car swimming.
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Old 06-22-2006, 12:59 PM   #13
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Yea.. I don't like just going to replace everything till I find the root cause and am sure. No point having new things grenade after.. it'* a waste of money.. i waste enough $$ on the government already

Boost Monkey.. that looks like a pic of the white bonneville that went swimming in my area ( not mine ) when it tried to drive over the iced lake 2 winters ago going to the reserve but fell threw.. LMAO !!!

There'* no white curse people.. just White amphibious curse.
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Old 06-22-2006, 02:04 PM   #14
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Well....Hampsterface...

The FPR and Cat are quite far from each other on the repair and one causing the other problems. With a bad cat..you would look more for a bad O2 sensor.

Any check engine light and codes?

(You know it'* your car...or the police reenactment of your accident, now stop lying)
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Old 06-22-2006, 05:06 PM   #15
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My stunt double did a crappy parkin job..

OK.. playin around with the scan tool today ( still noobie at it )

gettin 3.1~3.3 of KR

both 02 registers rich..

Here'* the kicker ( maybe it'* user issue ) but my IAT didn't move and shows only 4. ( I sat there with engine runnin in a 33C weather for bout 5~min. so I naturally thought the IAT temp would go up some. So now I'm wondering if my root cause is a bad IAT sensor.. ( so it'* commanding default rich settings?? Since it'* only showing 4 ( I don't know if it'* F or C or Voltage, or thinkin it'* only 4F or 4C temp )

I"ll have to go to wrecker shoppin for a IAT to test ( I don't even know how much they are new )

No CES boost monkey..
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Old 06-23-2006, 01:14 PM   #16
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Thanx to peterg2000 for the link to techinfo and confirmation with drunken monkey ( Willwren )

I can now say the IAT is officially dead. No resistance, so I checked for continuancy.. nope.. open ( and no.. it'* not user error.. I can at least say I know how to use a multi meter )

So would this be the root cause to my rich settings killing cat symptoms? ( that it can't sense the intake air temp. so ran a rich setting?? ). Wouldn't the 02 sensor compensate for it? ( unless maybe it'* out of the boundary that it can compensate for? )
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Old 06-23-2006, 02:09 PM   #17
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If the IAT is completely dead, the O2 can't heal it. Pop a new one in.
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Old 06-23-2006, 02:25 PM   #18
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Quote:
Originally Posted by J Wikoff
If the IAT is completely dead, the O2 can't heal it. Pop a new one in.
Sorry.. I meant in the sense that if my IAT is dead.. is that why it causes a rich setting and killed the Cat converter. ( Providing the 02 sensor and everything else is working correctly )
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Old 06-23-2006, 02:28 PM   #19
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The O2 sensor doesn't compensate for anything. It is a sensor just like the IAT sensor and sends info the the PCM. In this case, the PCM would be getting conflicting information.

After replacing the IAT sensor, take a look at your O2 sensors. Running rich will kill them also. Of course your scanner can give you and idea of their condition. O2 sensor #1 should be giving you many more readings per minute than sensor #2.
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Old 06-23-2006, 02:30 PM   #20
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Quote:
Originally Posted by Drifter420
Quote:
Originally Posted by J Wikoff
If the IAT is completely dead, the O2 can't heal it. Pop a new one in.
Sorry.. I meant in the sense that if my IAT is dead.. is that why it causes a rich setting and killed the Cat converter. ( Providing the 02 sensor and everything else is working correctly )
Probably, yes.
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