Question about 2001 Ford Taurus

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I have a 2001 3.0 ford taurus compression on all cylinders less than 90 psi

Car wont start ran a compression test all cylinders ran between 65 and 95 psi,

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  • 63 Answers

I wouldn't do exactly what Fickster recommended. If the engine has fuel and spark, you'll more likely than not start a very scary fire!!!!! and if that old motor has oil residue all over it, you'll be buying a whole 'nother car at least. So break down and buy a tester, there're inexpensive or use a known good spark plug instead (i.e. DO NOT LEAVE THE SPARK PLUG HOLE OPEN & EXPOSED!!).

Me, I'd start with fuel. Spray some carb or brake clean(er) into the throttle body as someone cranks the engine. If it fires, check your fuel system. But honestly, compression as reported points to a more bothersome problem that for a shade-tree mechanic may be hard pressed to identify and/or to repair.

Good Luck!

Posted on Apr 08, 2015

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The car should start, even with low compression in some cylinders. Since two things are needed for combustion, fuel and spark, you need to figure out which is the problem. Remove a spark plug (or buy a spark tester from harbor freight) and check for spark at the plug. Without a tester, simply attach the plug wire to the plug while removed from the engine and rest the base of the plug on the engine block (grounding it). Have someone turn the engine over with the key and observe if you see a hot spark jumping the gap of the plug.
Recommend you go to the library and borrow a copy of Chilton's for your car model.

Posted on Apr 08, 2015

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Posted on Jan 02, 2017

rehortonjr
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SOURCE: High compression in 1 cylinder of a 170 ci. 40 psi high.

Hi!

Per the Ford manual, the acceptable range is 155-195 PSI. It sounds to me like you don't have a compression issue with this engine (without knowing the exact readings for each cylinder). Normally one cylinder being higher than the others, but still within spec, would not concern me a lot. Had one been much lower, then I think that might be cause for concern. There could be many reasons for the one hole being higher. If the engine hasn't been rebuilt in a long time, there could be carbon deposits in the compression chamber. There are many chemical fixes for this availble at your local parts store. If the engine is running fine with no pinging or detonation, I'd just continue to enjoy your classic ride (I own a 1971 Challenger converitble with a 440-6 pack, so I understand the joy of a classic car!).

Good luck and please let me know if this helps!

Bob

Posted on Oct 10, 2008

  • 1 Answer

SOURCE: no compression in one cylinder

Timing belt slipped around cam pulley. Take off your timing belt cover and check the position. This would explain misfiring and compression loss. Stretched belt or missing cogs in belt likely culprit.

Posted on Feb 04, 2009

  • 3 Answers

SOURCE: 2001 ford taurus wont start and anti-theft light is blinking

Either you may be using a key that you had copied from the original or your chip went bad in your original key. Most of cars now a days have the key censor in the key so if it is the incorrect key it will not start your car or if it does not read that chip it will not start

Posted on Feb 05, 2009

joe7379
  • 93 Answers

SOURCE: 2001 ford taurus wont start

It could be bad plugs, plug wires, a bad ground will do this as well. Check to see if it has the three main things.

Spark
Air
Fuel

Anther common problem is the crank shaft speed sensor. It will cause it to not spark and not start.

Joe

Posted on May 19, 2009

mindreader
  • 578 Answers

SOURCE: 2001 Ford Taurus - won't start. Cranks really good

George,
Lots of possible choices... but junk yard coil as a replacement (easy for you to do) can eliminate that potential problem for just a few dollars.

If that fails, have a friend help you confirm that you have spark - by pulling a plug wire and holding it against (near) a good ground. If it sparks over 1/2 inch - it is not spark.

If that fails, pull a plug wire off a spark plug. Crank the engine for 10-15 seconds. Now remove and inspect the plug for gas wetness. If wet, it is not fuel flow.

If that fails, it could be timing, timing belt, or a large number of other issues - most cheap to fix but time consuming to locate.

Do the above tests then come back and let us know what you find!!

Posted on Oct 13, 2009

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