1995 Chevrolet Lumina Quad Driver

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CCLARK0302
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  • 1 POST
I can't find the answer to this problem after reading through everything...so here goes. My Lumina 95 car 3.1 v6 has problems when you give it gas it does not want to go, sometimes you have to floor it. I recently changed the coil in it and noticed it arching, that sucks. It drove good for two days and is now back to not wanting to go once you give it fuel. I ran a check when the code came up for a Quad Driver # 4 being bad. I looked everywhere for this and can't seem to figure out, what is a quad driver # 4?
Aug 28, 2006 at 12:19 PM
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MIKEYBDMAN
  • ✓Experienced Mechanic
  • 623 POSTS
[quote:462c576dd4="cclark0302"]I can't find the answer to this problem after reading through everything...so here goes. My Lumina 95 car 3.1 v6 has problems when you give it gas it does not want to go, sometimes you have to floor it. I recently changed the coil in it and noticed it arching, that sucks. It drove good for two days and is now back to not wanting to go once you give it fuel. I ran a check when the code came up for a Quad Driver # 4 being bad. I looked everywhere for this and can't seem to figure out, what is a quad driver # 4?[/quote:462c576dd4]

Quad/Output Driver Module

The Control Module in this vehicle controls most components with electronic switches which complete a ground circuit when turned on.

When the switches are arranged in groups of 4, they can independently control up to 4 outputs and are called Quad Drivers.

When the switches are arranged in groups of 7, they can independently control up to 7 outputs and are called Output Drivers.

Not all outputs are always used.

Quad/Output drivers are hard wired onto the ECM/PCM/VCM, and can't be serviced separately
Aug 28, 2006 at 12:29 PM

Suggested Repair

Quad Driver #4 is a group of four ground-side electronic switches built into the ECM/PCM and cannot be replaced separately. If the Quad Driver #4 code is confirmed, replace the control module rather than looking for a separate driver.

Conversation Summary

The owner of a 1995 Chevrolet Lumina 3.1L reported hesitation when accelerating, sometimes needing full throttle. A recently replaced coil had arced, the car ran well for two days, then the problem returned with a Quad Driver #4 code. The expert explained that quad drivers are groups of four output switches hard-wired into the control module and are not separately serviceable.

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