Pinging - 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.

Reply
 
 
 
Thread Tools Search this Thread
Old 07-04-2004, 12:37 PM   #11
Senior Member
Posts like a Turbo
Thread Starter
 
Join Date: Jul 2003
Location: Boston Area
Posts: 327
Thanks: 0
Thanked 0 Times in 0 Posts
TelePlayer is on a distinguished road
Default

Ok here are a couple of pictures of the Bosch Plugs.

So here is your standard Bosch:



Here is your Bosch on Supercharger Drugs (ground electrode bent for visibility)



Any Questions?
TelePlayer is offline   Reply With Quote
Old 07-04-2004, 01:10 PM   #12
Junior Member
Posts like a Ricer Type-R
 
Join Date: Aug 2002
Posts: 10
Thanks: 0
Thanked 0 Times in 0 Posts
willwren is on a distinguished road
Default

I've seen that evidence in too many cars, including my own previous vehicles. I've never put them in my Bonneville because of that. But my Bosch O2 was WORSE.

I wrote some other comments in your other topic.....which I'm locking with a link to here for further comment. Need to keep all that together in one place.

So what'* the story on the pinging/knocking? Better now?
willwren is offline   Reply With Quote
Old 07-04-2004, 01:35 PM   #13
Senior Member
Posts like a Turbo
Thread Starter
 
Join Date: Jul 2003
Location: Boston Area
Posts: 327
Thanks: 0
Thanked 0 Times in 0 Posts
TelePlayer is on a distinguished road
Default

Will, to be honest I haven't been out of the house all day. I usually evaluate any change for at least a few days before I conclude that anything has improved. The car pings at certain locations on my drive home from work. I'll let you know after I make a few normal driving runs.
TelePlayer is offline   Reply With Quote
Old 07-04-2004, 04:16 PM   #14
Junior Member
Posts like a Ricer Type-R
 
Join Date: Aug 2002
Posts: 10
Thanks: 0
Thanked 0 Times in 0 Posts
willwren is on a distinguished road
Default

Are the more completely eroded plugs from the rear bank by any chance? Do you remember?
willwren is offline   Reply With Quote
Old 07-04-2004, 06:59 PM   #15
Senior Member
Posts like a Turbo
 
Join Date: Mar 2003
Location: Indianapolis, Indiana
Posts: 311
Thanks: 0
Thanked 0 Times in 0 Posts
along is on a distinguished road
Default

ok, i forget how many miles we should do on a set of plugs, so I thought while I had the car in pieces to do the Throttle Body clean, I would change the plugs as well.

Well, I put AC Delco Rapidfire plugs in at 101K miles. Since then, about 90% of this cars driving has been 70Mph+ highway driving (I do a lot of miles). Well, I pulled these plugs today after 41K miles. I wish I had taken a photo - they were still perfect except for one, which was a bit blacker, but still ok. I am really happy with the AC Delco Rapidfires and thats all I am gonna buy from here on out.

Willwren, why did you ask about the back plugs? Is there a reason why one of the back plugs would be black?
along is offline   Reply With Quote
Old 07-04-2004, 08:32 PM   #16
Junior Member
Posts like a Ricer Type-R
 
Join Date: Aug 2002
Posts: 10
Thanks: 0
Thanked 0 Times in 0 Posts
willwren is on a distinguished road
Default

With the electrode erosion I saw in the bad bosch photo, I'd expect it to happen in the rear bank first. The engine is alot hotter back there because of the crossover and firewall.

If you remove your lower intake sometime, you'll know what I mean. After about 50-75k miles, you can see a color difference inside the engine when comparing front to rear.

9 times out of 10, if a plug or plug wire fails, it'* one of the rear. Heat is a big contributor.
willwren is offline   Reply With Quote
Old 07-04-2004, 11:09 PM   #17
Senior Member
Posts like a Turbo
Thread Starter
 
Join Date: Jul 2003
Location: Boston Area
Posts: 327
Thanks: 0
Thanked 0 Times in 0 Posts
TelePlayer is on a distinguished road
Default

Some bad plugs were in the front, some in the rear. The inside of the valve covers were quite different, because of the heat diff.
TelePlayer is offline   Reply With Quote
Old 07-08-2004, 07:18 PM   #18
Senior Member
Posts like a Turbo
Thread Starter
 
Join Date: Jul 2003
Location: Boston Area
Posts: 327
Thanks: 0
Thanked 0 Times in 0 Posts
TelePlayer is on a distinguished road
Default

Ok after a few days of driving, I can tell you that I still have the same pinging problem.

Could this be the O2 sensor? It'* been in there at least 40k, probably more.

I am getting an Actron cp9110. How can I use it to help me find the cause of the pinging?

Thanks
TelePlayer is offline   Reply With Quote
Old 07-08-2004, 07:49 PM   #19
Senior Member
Posts like a Turbo
 
Join Date: Mar 2003
Location: Indianapolis, Indiana
Posts: 311
Thanks: 0
Thanked 0 Times in 0 Posts
along is on a distinguished road
Default

silly question, but what gas are you using? Regular or Premium?
along is offline   Reply With Quote
Old 07-08-2004, 07:58 PM   #20
Senior Member
Posts like a Turbo
Thread Starter
 
Join Date: Jul 2003
Location: Boston Area
Posts: 327
Thanks: 0
Thanked 0 Times in 0 Posts
TelePlayer is on a distinguished road
Default

Mobil 93. Hey by the way the Mobil station here had a sale this weekend, all gas was 6 cents off so I filled her up. Still was $2.11 I think.
TelePlayer is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
Pinging keeps coming back crzydmnd72 1987-1991 1 09-24-2006 12:01 PM
kr and pinging d.denis 1992-1999 27 06-10-2005 12:55 PM
pinging and engine cutout jaye22 Forced Induction 6 04-20-2005 09:23 PM
Pinging sound before accelation TV_PRO_USMC 1992-1999 3 10-21-2004 04:31 PM
Crazy pinging *updated 5/18/04* Car's gone .... Boosted 1992-1999 19 05-19-2004 03:10 PM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -4. The time now is 04:41 AM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.