Question about 1997 Mercury Sable
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Posted on Jan 02, 2017
trace the big cable that came from the positive terminal of your battery. at it's end is the starter.
or if it passes trough a big relay, then there is another big cable from that relay that would go down to the side of the engine, either left or right, that would be the starter.
tnx 4 using fixya,
Posted on Oct 04, 2008
make sure that the gas cap have a rubber gasket in it if it has accidentaly dropped off while you removed to fill the tnk it will not seal properly and create a vacum leak causing the ecm to turn on the light.
or did you have an accident or did you run over any thing that could have damaged the vapor canister at the bottom of the vehicle and if this is the case you will see the light on because a damaged canister can cause a vacum leak
Posted on Nov 11, 2008
SOURCE: 1997 Mercury Sable Misfire
they may have done a relative compression test which is done electronically by measuring the RPM drop of each cylinder when the test is running, but not sure anyone but the dealer can do this test. This low compression you mentioned is not good, suggest u run the test yourself, the compression test guage kits are cheap u can buy them on line for about $25 US, also tank added chemicals don't do anything in the short term and noting if the injector is badly clogged, do u understand what I mean about a high pressure factory cleaning? it is quite a different animal.
Posted on Jan 21, 2009
Barring any vacuum leaks, P0401 is indicative of a bad EGR valve. Hope this answers your question. Best of luck.
Posted on May 30, 2009
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