Looking for a copy of TSB

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Looking for a copy of TSB

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Looking for a copy of TSB - 4/1/2007 1:36:08 PM

Stealth Engr

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Hello,

I'm looking for a copy of the following TSB

96234 NOV 96 EGR - Intermittent MIL ON/Multiple DTC's Set

I'm working on my daughters 94 Crown Vic with the 4.6 PI engine, and its returning a 332 (insufficient EGR flow) code. All of the checks that I've done appear to indicate that the EGR passages are clogged. I'm trying to get the car running better before my daughter sells it (dirt cheap) to a single Mother friend of hers. They work as nurses together, and she is in desperate need of reliable transportation I don't have a manuals for this vehilcle, and so I'm trying to work through this problem doing research on the net.

Any help would be appreciated.

Post #: 1

RE: Looking for a copy of TSB - 4/1/2007 7:24:57 PM

goinstrong

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EGR - clean the passages and add a new valve. Carb cleaner might help some on a q-tip unless you have a small wire tube brush.

(in reply to Stealth Engr)

Post #: 2

RE: Looking for a copy of TSB - 4/2/2007 9:16:07 PM

way2old

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Printable View (52 KB)

TSB
96-23-4

DETONATION - 4.6L - INTERMITTENT MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION - DIAGNOSTIC TROUBLE CODES (DTCS) 332, P1407 AND/OR P1408 UNDER NORMAL DRIVING CONDITIONS

MALFUNCTION INDICATOR LAMP (MIL) - INTERMITTENT ILLUMINATION - DIAGNOSTIC TROUBLE CODES (DTCS) 332, P1407 AND/OR P1408 - 4.6L - DETONATION UNDER NORMAL DRIVING CONDITIONS

Publication Date: NOVEMBER 4, 1996

FORD:
1992-1995 CROWN VICTORIA
1994-1995 THUNDERBIRD

LINCOLN-MERCURY:
1991-1995 TOWN CAR
1992-1995 GRAND MARQUIS
1994-1995 COUGAR

This TSB article is being republished in its entirety to include two additional Diagnostic Trouble Codes (DTCs) for vehicles with OBD II systems.
ISSUE:
Detonation and/or Malfunction Indicator Lamp (MIL) illumination with DTCs 332, P1407, and/or P1408 may occur under normal driving conditions. This is due to carbon buildup in the Exhaust Gas Recirculation (EGR) groove of the intake manifold (throttle body base).
ACTION:
Refer to the following Service Procedure for details.
SERVICE PROCEDURE

Perform "DL" Pinpoint Test as instructed in the appropriate year Powertrain Control/Emissions Diagnosis (PC/ED) Service Manual.
If Step 1 does not solve the concern, refer to the appropriate year PC/ED, Section 10A, EGR System Functional Diagnosis, and perform the tests involved.
If engine rpm does not change when performing test "EGR3" of Step 2, and the EGR valve checks good, check the EGR passage between the intake manifold and the throttle body for carbon blockage (Figure 1).

Figure 1 - Article 96-23-4
Remove the throttle adapter from the intake manifold. Refer to the appropriate model/year Service Manual, Section 03-01, for service procedure.
Keep objects from entering into the intake manifold by covering the opening.
Using an appropriate size chisel, remove carbon deposits that have accumulated in the EGR groove (Figure 2) on the intake manifold or sealing surfaces.

Figure 2 - Article 96-23-4

CAUTION:
USE CARE AS NOT TO DAMAGE SEALING SURFACES OF INTAKE MANIFOLD.
Brush off all carbon that has been removed, wash EGR groove and adapter surface with suitable solvent.
Replace Intake Manifold-to-Throttle Body Adapter Gasket (F1AZ-9H486-A).
Reinstall throttle body and adapter assembly. Refer to appropriate model/year Service Manual, Section 03-01, for correct torque specifications.

PART NUMBER
PART NAME

F1AZ-9H486-A
Gasket - Intake Manifold-To-Throttle Body Adapter

OTHER APPLICABLE ARTICLES:
NONE
SUPERSEDES:
95-18-3
WARRANTY STATUS:
Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage And Emissions Warranty Coverage

OPERATION
DESCRIPTION
TIME

962304A
Clean Carbon From EGR Groove At Throttle Body - Air By-Pass - All Models
0.6 Hr.
DEALER CODING

BASIC PART NO.
CONDITION CODE

9A589
55
OASIS CODES:
206000, 615000, 698298

(in reply to goinstrong)

Post #: 3

RE: Looking for a copy of TSB - 4/3/2007 10:50:58 AM

Stealth Engr

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Thanks way2old. That's what I was looking for. I'm hoping to get to this little project this weekend. I'll need to get parts first.

(in reply to way2old)

Post #: 4