1993 Lincoln Town Car won't run at idle

Asked by George Jun 13, 2021 at 04:17 PM about the 1993 Lincoln Town Car Cartier

Question type: Maintenance & Repair

Was pulling 172 & 176 codes. After pursuing the common stuff I decided to pull the elbow to check the plenum. Put it back together and now won't idle. Smoke tested okay and no unplugged connectors. Before this I had good fuel pressure, new fuel filter, New  O2 sensors, spark plugs IAT, and cleaned MAF. It starts okay and if I gun it some get backfire from exhaust pipes. Run it for awhile and no codes come up with my Innova tester. Can't figure what I screwed up. EGR valve motor/valve or DPFE?

1 Answer

George answered 3 years ago

Not sure what the snorkel is. Never heard that term. Could not find leaky boots with smoke test, Replaced the tee that normally goes bad.

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