93 L67 questions - 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 03-26-2005, 11:37 PM   #1
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Default 93 L67 questions

Ok... bunch of questions.

How much would a set of valve cover gaskets be? Supercharger rebuild kit? P/N for them?

What would cause a rought idle in this motor. The motor is running fine, but sometimes seems like it wants to stall. Hasn't actually stalled, but was only running 10 minutes.

Where is the oil pressure sensor that controls the gauge on the dash? I think mine might be bad, that our it is the guage. Also, where would I hook up a manual oil pressure guage if I were to add one?

I think that is it for now. Thanks for the help in advance.
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Old 03-27-2005, 12:02 AM   #2
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Fel-Pro valve cover gaskets at Autozone are about $15.

www.rollingperformance.com

A rough idle can be anything from a dirty MAF to a dirty TB (pay close attention to the IAC valve and passage), or ignition.
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Old 03-28-2005, 12:39 AM   #3
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How would I go about cleaning the MAF or TB? anything special that has to be done? Whatelse should I look for?
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Old 03-28-2005, 12:42 AM   #4
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Default Re: 93 L67 questions

Quote:
Originally Posted by JimmyFloyd
Ok... bunch of questions.

How much would a set of valve cover gaskets be? Supercharger rebuild kit? P/N for them?

What would cause a rought idle in this motor. The motor is running fine, but sometimes seems like it wants to stall. Hasn't actually stalled, but was only running 10 minutes.

Where is the oil pressure sensor that controls the gauge on the dash? I think mine might be bad, that our it is the guage. Also, where would I hook up a manual oil pressure guage if I were to add one?

I think that is it for now. Thanks for the help in advance.
Valve Cover Gaskets- $10-$15 I think

Rough Idle- Clean the TB and change the gasket and make sure the MAF filiments are intact and clean.. I have the same problem so I'm interested in other repoinses to this.

OP sender unit is somewhere by the oil filter.....But i've never seen it.....Real pain to get to I think.
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Old 03-28-2005, 01:18 AM   #5
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Remove the TB from the car. Take off the TPS, MAF, and IAC. Scrub the IAC and TB, paying close attention to the IAC passage and seat for the valve with intake safe (sensor safe) cleaner and a brush (either brass or a toothbrush).

Clean the MAF sensor wire DELICATELY with a Qtip and rubbing alcohol or electrical contact cleaner. Replace the gasket during reassembly.
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Old 03-28-2005, 02:15 AM   #6
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Quote:
Originally Posted by willwren
Remove the TB from the car. Take off the TPS, MAF, and IAC. Scrub the IAC and TB, paying close attention to the IAC passage and seat for the valve with intake safe (sensor safe) cleaner and a brush (either brass or a toothbrush).

Clean the MAF sensor wire DELICATELY with a Qtip and rubbing alcohol or electrical contact cleaner. Replace the gasket during reassembly.
Hey will is there a tech info article for that???? If not i think it could be a good thing to add?
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