95 sc300 timing issue
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Driver School Candidate
Joined: Jun 2018
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From: Califonia
95 sc300 timing issue
So i have a timing issue i went to get it smogged and it failed due to the timing being advanced by 22 degrees so it was at 32 degrees i was able to retract it by 12 degrees leaving it at 20 degrees or so by backing off the distributor but now i still need about 10 degrees so what should i do
wrong forum, but I can help:
Warm up the engine to normal operating temperature.
Jump TE1 and E1 of the DLC1 (under the hood, not in the passenger compartment).
Using a timing light check the timing. It should be 10 degrees +-2 degrees BTDC at idle with the transmission in neutral and all accessories turned off.
Loosen the distributor nut and adjust the timing by turning the distributor until the timing is 10 degrees BTDC.
Tighten the nut to 19 newton meters (about 14 ft lbs).
Remove the jumper from the DLC1.
Further testing:
Check the timing ranges between 7 degrees and 19 degrees BTDC @idle with the transmission in neutral and all accessories turned off. (The manual says "@idle" but I think it should say over the operating range of RPM.) Let us know what you find. Does the timing vary between 7 and 19 degrees BTDC at idle?
Jump TE1 and E1 of the DLC1 (under the hood, not in the passenger compartment).
Using a timing light check the timing. It should be 10 degrees +-2 degrees BTDC at idle with the transmission in neutral and all accessories turned off.
Loosen the distributor nut and adjust the timing by turning the distributor until the timing is 10 degrees BTDC.
Tighten the nut to 19 newton meters (about 14 ft lbs).
Remove the jumper from the DLC1.
Further testing:
Check the timing ranges between 7 degrees and 19 degrees BTDC @idle with the transmission in neutral and all accessories turned off. (The manual says "@idle" but I think it should say over the operating range of RPM.) Let us know what you find. Does the timing vary between 7 and 19 degrees BTDC at idle?
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