3300/3800 ICM difference? - 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 04-18-2005, 10:24 PM   #1
Senior Member
Posts like a Northstar
Thread Starter
 
Join Date: Jan 2005
Location: Richfield, MN
Posts: 781
Thanks: 0
Thanked 0 Times in 0 Posts
alec_b is on a distinguished road
Default 3300/3800 ICM difference?

Today we got a '93 Ciera with the 3300 in the shop with a no start problem. Ran a diagnostic, no codes, so i go right to the ICM. Pulled a plug and did a test, flat dead. So my boss called the parts place and asked for a price, and a model # because we had a few modules in stock. The one we had on a shelf was labeled for a 92-95 3800, and according to the guy at the store it was the same # listed in the computer for the 3300. I thought they used different ICM'*? What'* the deal?
alec_b is offline   Reply With Quote
Old 04-19-2005, 01:42 AM   #2
Senior Member
Posts like a Turbo
 
Join Date: May 2003
Location: B'ham.AL
Posts: 435
Thanks: 0
Thanked 0 Times in 0 Posts
ron350 is on a distinguished road
Default

Yes it uses the same Ignition Control Module AC Delco # D1977A.

Ignition Control Module
Any one have the long # D1977A handy?

Sorry Bill I do not like all these GM abbreviations eater.
ron350 is offline   Reply With Quote
Old 04-19-2005, 08:45 AM   #3
DINOSAURUS BOOSTUS

Expert Gearhead
 
BillBoost37's Avatar
 
Join Date: Mar 2005
Location: Enfield, CT
Posts: 41,391
Thanks: 0
Thanked 0 Times in 0 Posts
BillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of light
Default

ICM? Idle control module?
BillBoost37 is offline   Reply With Quote
Old 04-19-2005, 10:10 AM   #4
Senior Member
Posts like a Northstar
Thread Starter
 
Join Date: Jan 2005
Location: Richfield, MN
Posts: 781
Thanks: 0
Thanked 0 Times in 0 Posts
alec_b is on a distinguished road
Default

ICM- Ignition Control Module. We didn't have a delco one it'* an aftermarket piece, part number LX-340. The one we had and the one on the computer were the same as i said but i thought on here someone said that you can not interchange the two.
alec_b is offline   Reply With Quote
Old 04-19-2005, 03:27 PM   #5
BANNED
 
Join Date: Aug 2002
Posts: 0
Thanks: 0
Thanked 0 Times in 0 Posts
banned3800 is on a distinguished road
Default

They do not interchange....

They are keyed diffrent...

Also the 3300 is an MPI engine and the 3800 line of engines are all SFI...

The Balancer on the 3300 has a single ring on the back of it...

The 3800 has a dual ring on the back of the balancer, and a dual crank sensor that measures 3x'* reference pulse and an 18x'* reference pulse for the SFI.. 3300'* do not use this system...

I tried messing with a 3300 ICM on a 3800 and it weas a no go...lol

__________________
Best Car Insurance | Auto Protection Today | FREE Trade-In Quote
banned3800 is offline   Reply With Quote
Old 04-19-2005, 06:55 PM   #6
Senior Member
Posts like a Turbo
 
Join Date: May 2003
Location: B'ham.AL
Posts: 435
Thanks: 0
Thanked 0 Times in 0 Posts
ron350 is on a distinguished road
Default

Every interchange, even AC Delco, I look at shows 1993 3.3 Cutass Ciera being different from 1992 back 3.3 ICM.
But you know how that goes the books are wrong some time.
ron350 is offline   Reply With Quote
Old 04-19-2005, 07:39 PM   #7
BANNED
 
Join Date: Aug 2002
Posts: 0
Thanks: 0
Thanked 0 Times in 0 Posts
banned3800 is on a distinguished road
Default

Quote:
Originally Posted by ron350
Every interchange, even AC Delco, I look at shows 1993 3.3 Cutass Ciera being different from 1992 back 3.3 ICM.
But you know how that goes.
Yeah I have seen the stranger from GM... LOL

1993 was the last year for the 3300 V6... As all of the 3300 powered cars would be powered by the new 3100 SFI V6 in 94...lol

Hmmm...

AC Delco PN# D1977A was used from 1990 - 04 as listed by AC Delco

AC Delco PN# D1946A was used from 1986 - 92

The 93 does have the D1977A listed for it... Wondering if they keyed it the same and left certain pins unused for the 3300?

Heck 93 might be an odd ball year... The 3300 wouldn't need the 18x'* pulse to run...

If anyone finds out please let us know... This may be good swap info fo the older 3800'* as well...

__________________
Best Car Insurance | Auto Protection Today | FREE Trade-In Quote
banned3800 is offline   Reply With Quote
Old 04-19-2005, 10:18 PM   #8
Senior Member
Posts like a Northstar
Thread Starter
 
Join Date: Jan 2005
Location: Richfield, MN
Posts: 781
Thanks: 0
Thanked 0 Times in 0 Posts
alec_b is on a distinguished road
Default

Ya well i swapped the module today, didn't work!. After i got it together and hit the key, it didn't work. So we go about taking the balancer off by using the starter method, and one time i hit it, the wrench POPS off the bolt and it fires to life. Runs great for about a minute and a half and BAM stops cold, won't start again. What a pile.
alec_b is offline   Reply With Quote
Old 04-20-2005, 02:42 AM   #9
Junior Member
 
Join Date: Apr 2005
Posts: 5
Thanks: 0
Thanked 0 Times in 0 Posts
camljr is on a distinguished road
Default NO START MAY BE THE CRANKSHAFT SENSOR...

I HAD THE SAME PROBLEM BEFORE ON MY 97 BONNEVILLE3800. AFTER CHANGING THE ICM WITH A KNOWN GOOD ONE... NO AVAIL... I PULLED THE HARMONIC BALANCER AND CHANGED THE CRANKSHAFT POSITION SENSOR. REPLACED THE BALANCER... VOILA STARTS EVERY TIME SINCE THEN... A $15 PART... NEED AN AIRGUN AND A PULLER TO REMOVE THE BALANCER, BUT A LOT CHEAPER THEN THE ICM WHICH WASN'T THE PROBLEM.

NOT SAYING THIS IS YOUR PROBLEM, BUT CHECK IT OUT FIRST...

[email protected]
camljr is offline   Reply With Quote
Old 04-20-2005, 02:53 AM   #10
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 Re: NO START MAY BE THE CRANKSHAFT SENSOR...

Quote:
Originally Posted by camljr
I HAD THE SAME PROBLEM BEFORE ON MY 97 BONNEVILLE3800. AFTER CHANGING THE ICM WITH A KNOWN GOOD ONE... NO AVAIL... I PULLED THE HARMONIC BALANCER AND CHANGED THE CRANKSHAFT POSITION SENSOR. REPLACED THE BALANCER... VOILA STARTS EVERY TIME SINCE THEN... A $15 PART... NEED AN AIRGUN AND A PULLER TO REMOVE THE BALANCER, BUT A LOT CHEAPER THEN THE ICM WHICH WASN'T THE PROBLEM.

NOT SAYING THIS IS YOUR PROBLEM, BUT CHECK IT OUT FIRST...

[email protected]
QUIT YELLING PLEASE!

And take that email address out of your signature. Spambots surf the net all day long looking for that type of thing (unless you LIKE spam).
willwren is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
3300 Engine Coolant Leak grt05 Oldsmobile 1 02-14-2011 09:48 AM
early 90s vintage 3300 info donovan.cornelius Lounge 1 10-22-2008 01:09 AM
help with poor running 93 grand am 3300 --FIXED-- harofreak00 Lounge 19 09-16-2007 07:10 PM
3300 Help petraman Lounge 1 10-25-2006 09:48 PM
NOKIA 3300 FOR SALE jams04 Lounge 6 05-06-2006 09:57 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 01:48 PM.


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.