For Snook: Your car has a built-in led/sw at the diagnostic plug for
code retrieval...It's right there next to the right corner of the
battery on the right-side firewall that separates the battery from
the engine, a little black box with white numbers from 1 to 16. On
number two, there is a button. That is the button you press down and
hold for 4 seconds. To the right of this button is a little round
light. That is the LED that will flash.
Turn on key and push button - hold for 4 secs, release and count the
reply code flashes--- continue until all are flashed and original
repeats. One flash means No Codes Stored.
Code list:
1 No malfunction in system monitored
2 Heated O2 sensor inoperative
3 Lambda control inoperative
4 Air injection inoperative
5 Exhaust gas recirculation inoperative
6 Idle speed control inoperative
7 Ignition system defective
8 Engine coolant temp. sensor, open/short circuit
9 Intake air temp. sensor, open/short circuit
10 Voltage at hot wire mass air flow sensor too high/low
11 TN-signal (rpm) at engine control module (N3/4) defective
12 Heated O2 sensor heater, open/short circuit
15 Wide open throttle information defective
21 Bad Purge Switch-Over Valve
22- cam posistion sens. signal defect
23-intake man. pressure low
24- starter ring gear segments defect
25- knock sens
26- upshift delay SOV valve open/shorted
27-Deviation between coolant temp sensor circuits 1 &2
28- coolant temp sens.
It sounds like the e320 is supposed to have a code readout gizmo
near the battery?
http://www.justanswer.com/questions/1p1rw-check-engine-light-on-1995-e320-engine-code-box-at-battery
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