Author Topic: Coil or Module on Power Logger?  (Read 339 times)

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Offline Just a Six?

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Coil or Module on Power Logger?
« on: July 15 2020, 04:57:11 PM »
Well I still haven't spent any time on the car except new plugs with oil & filter. The car has always run rich & idle exhaust is always a bit gassy smelling but now it's causing issues. When the car is cold it starts fine but after a drive with normal engine temps & it's parked for 20-30 mins it's a bit hard to start & sounds like it's running on less than all 6 cylinders for 10-15 secs.

If I hook up power Logger what should I look at when it runs rough for that 10-15 secs. Thanks   :cheers: [size=78%]  [/size]
David
87 LTD. Purchased May 88
Doeskin leather, coach lites without Landau Roof, moon roof, carpeted trunk & No Factory Hood Ornament!
The sticker on AC shows a V-8 Carb car. Special order by Mr. Nick Hall VP of GM Canada
Runs 11.50 on 21 lbs with my old style 67 Q Trim & Alchy

Offline Steve Wood

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Re: Coil or Module on Power Logger?
« Reply #1 on: July 15 2020, 05:21:05 PM »
take a lot and post it...sounds to me like it's got a sticky leaky injector or something...gu ess we should look at the maf numbers when it is idling as well
Steve Wood

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A lot of broken parts does not make you a racer; it makes you a slow learner.

Offline Just a Six?

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Re: Coil or Module on Power Logger?
« Reply #2 on: July 15 2020, 07:57:10 PM »
Thanks Steve I'll try & see if I can post it up.
David
87 LTD. Purchased May 88
Doeskin leather, coach lites without Landau Roof, moon roof, carpeted trunk & No Factory Hood Ornament!
The sticker on AC shows a V-8 Carb car. Special order by Mr. Nick Hall VP of GM Canada
Runs 11.50 on 21 lbs with my old style 67 Q Trim & Alchy

Offline Steve Wood

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Re: Coil or Module on Power Logger?
« Reply #3 on: July 15 2020, 08:06:09 PM »
when you turn the key off, check to see if your fuel pressure falls immediately
Steve Wood

http://www.vortexbuicks-etc.com

A lot of broken parts does not make you a racer; it makes you a slow learner.

Offline Just a Six?

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Re: Coil or Module on Power Logger?
« Reply #4 on: July 16 2020, 02:04:35 PM »
Good one I didn't think of that.
David
87 LTD. Purchased May 88
Doeskin leather, coach lites without Landau Roof, moon roof, carpeted trunk & No Factory Hood Ornament!
The sticker on AC shows a V-8 Carb car. Special order by Mr. Nick Hall VP of GM Canada
Runs 11.50 on 21 lbs with my old style 67 Q Trim & Alchy

Offline Just a Six?

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Re: Coil or Module on Power Logger?
« Reply #5 on: July 21 2020, 08:14:44 PM »
Forgot I can't cut & paste
David
87 LTD. Purchased May 88
Doeskin leather, coach lites without Landau Roof, moon roof, carpeted trunk & No Factory Hood Ornament!
The sticker on AC shows a V-8 Carb car. Special order by Mr. Nick Hall VP of GM Canada
Runs 11.50 on 21 lbs with my old style 67 Q Trim & Alchy

Offline Just a Six?

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Re: Coil or Module on Power Logger?
« Reply #6 on: July 21 2020, 08:21:06 PM »
Forgot I can't cut & paste  :013:


Anyways I went for a good hiway cruise & car was acting good all Sunday so let's see if it continues & I'll post up my entire info next time
I had it all done up but I'm not doing it again right now.
David
87 LTD. Purchased May 88
Doeskin leather, coach lites without Landau Roof, moon roof, carpeted trunk & No Factory Hood Ornament!
The sticker on AC shows a V-8 Carb car. Special order by Mr. Nick Hall VP of GM Canada
Runs 11.50 on 21 lbs with my old style 67 Q Trim & Alchy

Offline Steve Wood

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Re: Coil or Module on Power Logger?
« Reply #7 on: July 21 2020, 10:49:48 PM »
So basically, what did you find?
Steve Wood

http://www.vortexbuicks-etc.com

A lot of broken parts does not make you a racer; it makes you a slow learner.

Offline Just a Six?

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Re: Coil or Module on Power Logger?
« Reply #8 on: July 22 2020, 02:32:45 PM »
Steve I'm not really sure because it seemed ok on Sunday but after starting it definitely likes a small throttle blip to clear it's throat & it's fine. [size=78%]I gotta say that it was only one day with two hot starts so maybe it went away or I just got lucky? I found a mechanic who's older & has just one bay with a lift & very reasonable hourly rate & I'm welcome to get my hands dirty if i get the urge so when I have time I'm going there to give it a good once over & throw in a fuel filter since it's been a while then see where that leads me. I'll take a box of spare parts & see what trouble we can get into? Thinking I'll redo my compression numbers then throw in my bottle of Engine Restore & see what happens at seasons end. I'll keep you posted if this idle comes back again. [/size]

Why is this Shrinking?? On my screen the letters started getting smaller??
« Last Edit: July 22 2020, 02:42:44 PM by Just a Six? »
David
87 LTD. Purchased May 88
Doeskin leather, coach lites without Landau Roof, moon roof, carpeted trunk & No Factory Hood Ornament!
The sticker on AC shows a V-8 Carb car. Special order by Mr. Nick Hall VP of GM Canada
Runs 11.50 on 21 lbs with my old style 67 Q Trim & Alchy

Offline Scoobum

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Re: Coil or Module on Power Logger?
« Reply #9 on: July 22 2020, 06:53:55 PM »
Dave if you can't post a PL file on here, send it to my e-mail and I'll post it. PM you my e-mail.
109 235 Cubic Inch Stock Stroke Balanced Rotating Assembly
Stock Crank
TRW .030 Pistons
Stock Rods
Stock Timing Chain/Gears
212/212 Flat Tappet Cam
JB Racing Heads
Stock Rockers
5.7 TT Race Chip
Built 2004R
AC 16930
6262 JB

6.72 at 104.67-25 PSI

I see slow people

Offline Just a Six?

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Re: Coil or Module on Power Logger?
« Reply #10 on: July 22 2020, 07:48:14 PM »
Thanks for the offer Brad when I finally get some time next week I'll hook up PL & see if I can get a few files recorded of the 1st 10 secs after startup. Although it didn't seem to be as rough on Sunday as it was before so maybe I hit something under the hood when I was looking for obvious wires off etc. I really just need some time with the car & to get motivated next week.


Brad I got your email info thanks  :cheers: [size=78%] [/size]
David
87 LTD. Purchased May 88
Doeskin leather, coach lites without Landau Roof, moon roof, carpeted trunk & No Factory Hood Ornament!
The sticker on AC shows a V-8 Carb car. Special order by Mr. Nick Hall VP of GM Canada
Runs 11.50 on 21 lbs with my old style 67 Q Trim & Alchy