BADASS of New England

An automobile club for the enthusiast who enjoys the last of the big GM cars. The rear wheel drive B and D bodys. Chevrolet Impala SS, Caprice, 9C1, Buick Roadmaster, Oldsmobile Custom Cruiser, Cadillac Fleetwood
 
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 Wednesday Morning Blues: Sluggish Car

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AuthorMessage
Bull



Posts : 222
Join date : 2012-09-22
Location : Western MA

PostSubject: Wednesday Morning Blues: Sluggish Car   Wed Oct 10, 2012 10:42 am

Just after leaving my driveway this morning, I wanted to accelerate to get some distance between myself and a truck that was coming up behind me. The Roadmaster was sluggish and felt almost like it was just going to cut out. A mile down the road, the SES light came on for a few seconds. The sluggishness got better, but the car still feels "off."

Of course, my first suspicion is the Opti cap. I have asked the previous owner whethere the car ever had a major tune-up during his period of ownership. If not, then at 157k miles, it probably never has and needs one.

It was damp and drizzly this morning, so maybe that is part of the problem if it is Opti related, although I thought that by '95 they were vented and no longer suffered from moisture issues inside.

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MASShole9C1



Posts : 4211
Join date : 2009-12-16

PostSubject: Re: Wednesday Morning Blues: Sluggish Car   Wed Oct 10, 2012 11:39 am

The vent didn't really solve anything IMO. My old '95 had real trouble with the opti in the cold and wet. Put in a new one (2) and lasted all last year no issues. See if there is a code stored.
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95brmw



Posts : 1431
Join date : 2009-11-10
Age : 32
Location : Connecticut

PostSubject: Re: Wednesday Morning Blues: Sluggish Car   Wed Oct 10, 2012 12:51 pm

Pull the codes and go from there. Download and keep with you the handy glove box guide on how to pull the codes from the climate control and what they mean. I complied this from the SS forum a while back. I have had a similar problem with 2 wagons, both time it was a failing O2 sensor. When it kicks the light on it goes into open loop and ran better for me as it stopped relying on the bad sensor.
http://ex-vtc.gotdns.com/downloads/Roadmaster_HVAC.pdf
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sdstick



Posts : 4278
Join date : 2009-03-20
Location : Revere, MA

PostSubject: Re: Wednesday Morning Blues: Sluggish Car   Wed Oct 10, 2012 3:51 pm

You know the RMW climate control panel is also has OBD's too right?

If you didnt know that.... you need the info I have in my glovebox as to how to access that info

I'll try to grab it out of the car tonight (its parked at home)

PM me with your email address & I'll scan & email....or let me know what other method you prefer

_________________
Steve


96BBB 28K 3.42 Bolt-ons
95BBB 100K 3.73 383 New DD...already broke fixt the 4L60E twice
95 Black WB4 Hole...ee...grail
96 Black WB4 No holes in this
95BBB 189K 3.08 Old DD Stolen...by Matt. Cool
Whine..eee...Silver LS6
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Bull



Posts : 222
Join date : 2012-09-22
Location : Western MA

PostSubject: Re: Wednesday Morning Blues: Sluggish Car   Thu Oct 11, 2012 12:07 am

I didn't really understand what you guys were talking about at first with this HVAC stuff. I actually went out to my car tonight with my OBDII scanner, thinking it was backwards compatible with OBDI as well. Of course, it isn't. Then I read what you wrote again and looked at that link. So, I can read all my PCM codes via the HVAC panel and don't need a separate scanner? If so, that's awesome.
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boojum



Posts : 2152
Join date : 2009-01-21
Age : 29
Location : NH

PostSubject: Re: Wednesday Morning Blues: Sluggish Car   Thu Oct 11, 2012 1:38 am

Your ignition coil wire is all corroded at the coil end and you need a new EGR valve.

Just a guess.

All b-body opit's are vented. '92-'94 Vettes and '93-'94 F-bodies got an unvented opti.

Once you try a vented opti you'll never go back, trust me.

Unvented Opti internal #1

Unvented Opti internal #2
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sdstick



Posts : 4278
Join date : 2009-03-20
Location : Revere, MA

PostSubject: Re: Wednesday Morning Blues: Sluggish Car   Thu Oct 11, 2012 6:11 am

Bull wrote:
........Then I read what you wrote again and looked at that link.

So, I can read all my PCM codes via the HVAC panel and don't need a separate scanner? If so, that's awesome.

Yes, you can & yes....yes it is.

Thats EXACTLY what I said when I found out.

Lets see if I can remember to grab that info between now & departure. Very Happy

_________________
Steve


96BBB 28K 3.42 Bolt-ons
95BBB 100K 3.73 383 New DD...already broke fixt the 4L60E twice
95 Black WB4 Hole...ee...grail
96 Black WB4 No holes in this
95BBB 189K 3.08 Old DD Stolen...by Matt. Cool
Whine..eee...Silver LS6
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95brmw



Posts : 1431
Join date : 2009-11-10
Age : 32
Location : Connecticut

PostSubject: Re: Wednesday Morning Blues: Sluggish Car   Thu Oct 11, 2012 7:50 am

Bull wrote:
I didn't really understand what you guys were talking about at first with this HVAC stuff. I actually went out to my car tonight with my OBDII scanner, thinking it was backwards compatible with OBDI as well. Of course, it isn't. Then I read what you wrote again and looked at that link. So, I can read all my PCM codes via the HVAC panel and don't need a separate scanner? If so, that's awesome.

Yes, the link I posted tells you how to pull the codes.
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sdstick



Posts : 4278
Join date : 2009-03-20
Location : Revere, MA

PostSubject: Re: Wednesday Morning Blues: Sluggish Car   Thu Oct 11, 2012 9:27 am

Dont know how I missed Daves post....doh
OK then.....but at least I remembered to grab the stuff this AM.. Arrow

_________________
Steve


96BBB 28K 3.42 Bolt-ons
95BBB 100K 3.73 383 New DD...already broke fixt the 4L60E twice
95 Black WB4 Hole...ee...grail
96 Black WB4 No holes in this
95BBB 189K 3.08 Old DD Stolen...by Matt. Cool
Whine..eee...Silver LS6
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Bull



Posts : 222
Join date : 2012-09-22
Location : Western MA

PostSubject: Re: Wednesday Morning Blues: Sluggish Car   Sat Nov 03, 2012 12:32 am

95brmw wrote:
Pull the codes and go from there. Download and keep with you the handy glove box guide on how to pull the codes from the climate control and what they mean. I complied this from the SS forum a while back. I have had a similar problem with 2 wagons, both time it was a failing O2 sensor. When it kicks the light on it goes into open loop and ran better for me as it stopped relying on the bad sensor.
http://ex-vtc.gotdns.com/downloads/Roadmaster_HVAC.pdf

This link isn't working for me anymore; does it work for you guys?
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IMPALADAKID
Admin


Posts : 1512
Join date : 2009-01-17
Age : 48

PostSubject: Re: Wednesday Morning Blues: Sluggish Car   Sat Nov 03, 2012 6:17 am

All OBD1 codes are accessible without a scanner no matter the car. You can also access a tach through your HVAC. If anyone upgraded the control unit in the caddy for the RM version, you can still do it.

_________________
2014 Chevrolet Silverado LTZ Z71 5.3 Aluminum V8 (My daily)
2007 Pontiac G6 VL 2.4 I4 (Wife's Daily)
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sdstick



Posts : 4278
Join date : 2009-03-20
Location : Revere, MA

PostSubject: Re: Wednesday Morning Blues: Sluggish Car   Sat Nov 03, 2012 12:00 pm

Now dont go jumping forums.... Laughing

but try this...

http://www.buickforums.com/forums/showthread.php?p=43614#post43614

_________________
Steve


96BBB 28K 3.42 Bolt-ons
95BBB 100K 3.73 383 New DD...already broke fixt the 4L60E twice
95 Black WB4 Hole...ee...grail
96 Black WB4 No holes in this
95BBB 189K 3.08 Old DD Stolen...by Matt. Cool
Whine..eee...Silver LS6
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PostSubject: Re: Wednesday Morning Blues: Sluggish Car   Today at 4:58 pm

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