Question about 2000 Ford Focus
I read no place in the post that you have performed an OBD2 fault code test, you must do that test first, it is the key to fixing all electronically controlled engine issues like this
Posted on Mar 20, 2017
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Posted on Jan 02, 2017
I personally would check the fuel pressure. Then I would go back to the coil. I have seen brand new bad coils out of the box. The symptoms of a loss of power point to this component, especially if the car idles well, but loses power when accelerating. Please do not rate this reply - we all are left to grasp at straws since you have changed pretty much everything. Good Luck. Please post the final fix of the problem.
Posted on Oct 28, 2008
SOURCE: rough running, erratic spark
Run a compression test on the cylinders.If reading is low on any drop a little engine oil into the pot. If compression rises you have compession ring problems. Remove all plugs before you try this and place leads away from engine.
Posted on Mar 04, 2009
SOURCE: PCM unit
PCM is the standard automotive acronym for Powertrain Control Module, previously know as the ECM and ECU, in 1996 the term was standardized for the new OBD 2 emission control system.
Posted on Apr 29, 2009
SOURCE: 1999 pcm problem
I am not sure I understand your problem but I assume the truck is not running , no power to pcm ect. I have had jeeps sent to me after thousands of dollars have been pured into them and still wouldnt start. Change the CRANK SENSOR. This will 99% of the time fix this problem. When you go to the part store just make sure to give them the correct info. it is located on top of the transmission bell housing and is held in by 1 bolt most of the time it is a 10mm bolt . it is sometimes a pain but its on the drivers side top of bell housing . look at the new one to get idea of what it is. follow wire harness and unplug then take bolt out and remove sometimes you have to twist and pull out. put the new one in put bolt back and plug in. if it has a piece of felt on the tip leave it on it will come off its self . jeeps have a lot of pcm problems but the crank sensor can fool even the best mechanics making it look like a pcm problem. I take it you have not changed pcm's. if you do it will have to go to dealer to be programed and flashed in order to stay running. but hpoefully you havent changed pcm yet and go ahead and change that crank sensor asap
Posted on May 24, 2009
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