Question about 1997 Mercury Sable

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I drive a 1997 mercury sable, it's constantly backfiring almost to the point where it takes 10 minutes to start the car the sparkplug and wires were changed and yet it still backfires when trying to start but once I finally get it to start it seems to start fine afterwards the rest of the day. Help?

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This happens because it's not getting enough fuel into the cylinders at startup. The "squirter" in your carburetor is not squirting on the older ones, but for the '97 with EFI or TBI, the problem is that the computer is not putting it in cold start mode. Computers can only to what the sensors tell them to do. Problem here is your temperature sending unit/sensor is stuck in open,or warm position. Replace the temperature sending unit/heat sensor in the intake manifold and all will be well. Check first that the wire is even plugged on the sensor. That has happened.

Posted on Dec 01, 2014


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Posted on Jan 02, 2017

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SOURCE: 95 Mustang gt backfiring and RPM's bouncing

sounds like you have jumped a tooth on the timing if not timing out

Posted on Feb 05, 2009

  • 38 Answers

SOURCE: 1999 GMC Yukon seems to backfire once in a while

look for vac leak at egr valve, when cold spray carb cleaner on and see if it speeds up the eng

Posted on Jun 27, 2009

  • 351 Answers

SOURCE: my 1996 mercury sable cranks over for a long time

timming could be off

Posted on Jan 23, 2011

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