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Code 332 troubleshooting steps?

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Asa
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Code 332 troubleshooting steps?

Post #1 by Asa » Fri Apr 19, 2019 10:14 am

'93 F150, Auto, 2WD

Finally got the truck running. Nice and strong. I keep getting code 332 popping up, though. I changed most of the EGR system out when I built the engine, the solenoids on the valve cover are about the only thing I didn't change, but I dislike throwing parts at a problem.

Unfortunately I cant seem to find the actual steps to troubleshoot. Does anyone have them?
Right and Wrong are just words, what matters is what you do

Susie - a work in progress
Clyde - ya mule!

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MechRick
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Re: Code 332 troubleshooting steps?

Post #2 by MechRick » Fri Apr 19, 2019 10:45 am

332 egr valve opening not detected.

The egr solenoid is on the rear left of the valve cover. Probably a vacuum issue.

Best way to check, pop the round black plastic cover off, start the truck and block the tube on the solenoid with a finger. The egr valve should open and the truck will stumble if the valve is working and all vacuum lines ok.

If that happens, could be a dead solenoid. If it doesn't, check your vacuum source and the line coming off going to the valve.
1994 F150, 4.9L/ZF 5 speed, C-Vic police driveshaft
EFI head w/mild port work, 3 angle valve job
1996 long block, stock pistons, ARP rod bolts
Stock cam, aluminum cam gear
Hedman header, full mandrel bent duals, crossover, super turbos
http://fordsix.com/forum/viewtopic.php?f=2&t=73244
Bronco II with a 2.3L swap http://fordsix.com/forum/viewtopic.php?f=13&t=72863
1988 F250 2x4, 460 ZF 5 speed.

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Asa
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Re: Code 332 troubleshooting steps?

Post #3 by Asa » Fri Apr 19, 2019 11:24 am

MechRick wrote:Best way to check, pop the round black plastic cover off, start the truck and block the tube on the solenoid with a finger.

Can you clarify this? Which cover? On what part?
Right and Wrong are just words, what matters is what you do



Susie - a work in progress

Clyde - ya mule!

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MechRick
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Re: Code 332 troubleshooting steps?

Post #4 by MechRick » Fri Apr 19, 2019 11:45 am

You will see 3 solenoids at the left rear of the valve cover above #5 and #6 spark plugs. Two of them are identical, those are TAB and TAD for the air injection. The remaining one will have a round plastic cap covering the vent tube with a foam filter inside to keep dirt out of the solenoid.

The round cover can be removed with a pocket screwdriver. Blocking the vent tube with the engine running sends vacuum to the egr valve.
1994 F150, 4.9L/ZF 5 speed, C-Vic police driveshaft
EFI head w/mild port work, 3 angle valve job
1996 long block, stock pistons, ARP rod bolts
Stock cam, aluminum cam gear
Hedman header, full mandrel bent duals, crossover, super turbos
http://fordsix.com/forum/viewtopic.php?f=2&t=73244
Bronco II with a 2.3L swap http://fordsix.com/forum/viewtopic.php?f=13&t=72863
1988 F250 2x4, 460 ZF 5 speed.

User avatar
Asa
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Posts: 4355
Joined: Thu Nov 28, 2002 2:40 pm
Location: Tampa, Tallahassee, Hangin out in some Florida woods somewhere
Contact:

Re: Code 332 troubleshooting steps?

Post #5 by Asa » Fri Apr 19, 2019 12:12 pm

I've got 2 solenoids.
Right and Wrong are just words, what matters is what you do



Susie - a work in progress

Clyde - ya mule!

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MechRick
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Posts: 857
Joined: Wed Jan 04, 2012 7:43 pm
Location: Las Vegas, NV

Re: Code 332 troubleshooting steps?

Post #6 by MechRick » Fri Apr 19, 2019 12:20 pm

Follow the vacuum line off the EGR valve, it is supposed to be hooked to the solenoid I'm talking about...
1994 F150, 4.9L/ZF 5 speed, C-Vic police driveshaft
EFI head w/mild port work, 3 angle valve job
1996 long block, stock pistons, ARP rod bolts
Stock cam, aluminum cam gear
Hedman header, full mandrel bent duals, crossover, super turbos
http://fordsix.com/forum/viewtopic.php?f=2&t=73244
Bronco II with a 2.3L swap http://fordsix.com/forum/viewtopic.php?f=13&t=72863
1988 F250 2x4, 460 ZF 5 speed.

User avatar
Asa
Registered User
Posts: 4355
Joined: Thu Nov 28, 2002 2:40 pm
Location: Tampa, Tallahassee, Hangin out in some Florida woods somewhere
Contact:

Re: Code 332 troubleshooting steps?

Post #7 by Asa » Fri Apr 19, 2019 12:30 pm

Gotcha.
Right and Wrong are just words, what matters is what you do



Susie - a work in progress

Clyde - ya mule!

User avatar
Asa
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Posts: 4355
Joined: Thu Nov 28, 2002 2:40 pm
Location: Tampa, Tallahassee, Hangin out in some Florida woods somewhere
Contact:

Re: Code 332 troubleshooting steps?

Post #8 by Asa » Wed Apr 24, 2019 1:06 pm

MechRick wrote:332 egr valve opening not detected.

The egr solenoid is on the rear left of the valve cover. Probably a vacuum issue.

Best way to check, pop the round black plastic cover off, start the truck and block the tube on the solenoid with a finger. The egr valve should open and the truck will stumble if the valve is working and all vacuum lines ok.

If that happens, could be a dead solenoid. If it doesn't, check your vacuum source and the line coming off going to the valve.

Yup. Stumbling and trying to stall.
Right and Wrong are just words, what matters is what you do



Susie - a work in progress

Clyde - ya mule!

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