SLX V6-3.2L SOHC (1996)
PROM - Programmable Read Only Memory: Customer Interest
PCM - Engine Detonation/Ping
99-021
June 7, 1999
1996-97 SLX - ALL
Engine Ping Below 3,000 RPM
SYMPTOM
The engine detonates (pings) when you accelerate lightly below 3,000 rpm.
PROBABLE CAUSE
The programmed ignition timing causes a non-damaging engine detonation to occur when the intake air temperature is above 140°F (60°C).
CORRECTIVE ACTION
Update the PCM software with the Smart Cable.
REQUIRED TOOLS AND EQUIPMENT
PGM Tester with SN902 or later software
For the other tools and equipment you'll need to update the PCM software, see Service Bulletin 99-019, Updating the SLX PCM, filed under Tools.
WARRANTY CLAIM INFORMATION
In warranty:
The normal warranty applies.
Out of warranty:
Any repair performed after warranty expiration may be eligible for goodwill consideration by the District Technical Manager or your Zone Office. You
must request consideration, and get a decision, before starting work.
REPAIR PROCEDURE
1.
Retrieve the PCM broadcast code with the PCM Tester or the Smart Cable (see Service Bulletin 99-019).
2.
Compare the code you retrieved with the codes in the list below.
^
If the code is in the list, go to step 3.
^
If the code is not in the list, the PCM software has already been updated. Use the '96-97 SLX Fuel and Emissions Manual to troubleshoot the
cause of the engine ping.
PCM Broadcast Codes:
BNTZ
BTPS, BTXF, BTXW, BTYB, BTXZ
BUWR, BUWS
BXCS, BXTF, BXTH
BYKJ
BZLJ
