First post please help a newbie

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First post please help a newbie - 2/6/2008 5:54:02 AM    Bigboyky   Posts: 10 Score: 0 Joined: 2/6/2008 Status: offline Hello, Thanks for taking the time to look at this. This is my first post and yes it's a problem..... My son has a 1990 Ranger 4x4, 5 speed with the 2.3 4cyl. I'm not sure if it matters but it has 8 plugs. I'm posting this because he has only had teh trucj for 2 months and has had nothing but issues. First the clutch goes out then numerous isses with that. After a week we got it back on the road. Then a couple days ago he's on his way home from work and the truck died on teh road. He thought fuel (pump or filter), he changed those out last night. we tried to start it got nothing but cranking. Then he decided that maybe it was the coils, we have a donor truck that the coils are brand new so he changed those. He worked on this thing for 8 hours after school yesterday and still don't have it running. Any ideas? What tells the coils to spark? is it the computer or is there something on the cam? Please any ideas will help...   Post #: 1

RE: First post please help a newbie - 2/6/2008 10:17:24 AM    Use Common Sense   Posts: 539 Score: 0 Joined: 1/12/2007 Status: offline Verify the grounds are clean and have good contact.  If you have a bad (GREEN) ground, the CPU will not operate the injectors, thus no fuel delivery.  A way to verify is to check for spark.  You should have that.  Then if good spark, spray some fuel into the intake.  If the engine fires up and runs while spraying fuel into the intake, then you'll have to start chasing the ground.  Seen this several times over the years. _____________________________ 2004 Freestar Limited 4.2 V6 w/Water Injection & Iridium plugs 2008 Mercury Sable 3.5 V6 w/Opened Air Box AMSOIL Lubricants and Filters in everything "Have a good day, and a better one tomorrow" (in reply to Bigboyky) Post #: 2

RE: First post please help a newbie - 2/6/2008 10:26:40 AM    Bigboyky   Posts: 10 Score: 0 Joined: 2/6/2008 Status: offline Pulled a wire from each side but didn't get a spark (lastnight) should we get a spark from the coils with the motor cranking? I know that you can do this on a ditributer motor but not with these coils. Thanks for the reply! (in reply to Bigboyky) Post #: 3

RE: First post please help a newbie - 2/7/2008 4:44:51 AM    Bigboyky   Posts: 10 Score: 0 Joined: 2/6/2008 Status: offline Just an update. My son changed out the coils, & plugs last night. We tried to start it but nothing but cranking. Tried to spray starting fuild into the throttle body but still just cranking. Removed one plug wire stuck a screwdriver in it and placed the driver to ground, didn't see any sparking. What drives the coils to spark? Is it the computer or crank sensor? We have both out of a donor truck, just don't want to take anymore time. He is working and going to school and trying to work on this after he gets home. We haven't gotten into bed until after midnight the couple days. We need help with this. (in reply to Bigboyky) Post #: 4

RE: First post please help a newbie - 2/7/2008 4:47:52 AM    Use Common Sense   Posts: 539 Score: 0 Joined: 1/12/2007 Status: offline Even with coil packs, as long as the plug is grounded you should get spark.  If no spark you could have a bad Crankshaft Position Sensor.  If you have a scan tool and depending on the model of the scan tool you should be able to see if the scan tool dispays any RPM reading while cranking.  If no reading, then the Crankshaft Position Sensor is probably at fault. The lowest price I have found for a crankshaft Position Sensor is here: http://www.trademotion.com/partlocator/index.cfm?action=getLocatorKeySearch&siteid=213824&chapter=DN2022&catalogid=1&year=1990&make=10&model=Ranger You have to pull the flywheel off to replace it. _____________________________ 2004 Freestar Limited 4.2 V6 w/Water Injection & Iridium plugs 2008 Mercury Sable 3.5 V6 w/Opened Air Box AMSOIL Lubricants and Filters in everything "Have a good day, and a better one tomorrow" (in reply to Bigboyky) Post #: 5

RE: First post please help a newbie - 2/7/2008 4:55:13 AM    Bigboyky   Posts: 10 Score: 0 Joined: 2/6/2008 Status: offline "You have to pull the flywheel off to replace it" What is the sensor on the front of the crank then? I was told that the crank sensor is the one on the front behind the crank pulley. (in reply to Use Common Sense) Post #: 6

RE: First post please help a newbie - 2/7/2008 8:15:49 AM    Use Common Sense   Posts: 539 Score: 0 Joined: 1/12/2007 Status: offline My bad...I meant to say front pully...Had a torque noise issue (Cracked Flywheel) on a 1989 Chevy stuck in my head. _____________________________ 2004 Freestar Limited 4.2 V6 w/Water Injection & Iridium plugs 2008 Mercury Sable 3.5 V6 w/Opened Air Box AMSOIL Lubricants and Filters in everything "Have a good day, and a better one tomorrow" (in reply to Bigboyky) Post #: 7

RE: First post please help a newbie - 2/7/2008 8:56:10 AM    BRETM   Official Site Sponsor Posts: 257 Score: 0 Joined: 11/9/2007 Status: offline NOT to bust your bubble but our web site is cheaper than the one you recomended www.discountedgenuinefordparts.com _____________________________ www.discountedgenuinefordparts.com (in reply to Use Common Sense) Post #: 8

RE: First post please help a newbie - 2/7/2008 10:18:47 AM    Use Common Sense   Posts: 539 Score: 0 Joined: 1/12/2007 Status: offline No problem...Can't find everything, just trying to help out.  Besides, I have no bubble.  Your price is $4 cheaper.  Is your shipping comparable for Bigboyky's sake? _____________________________ 2004 Freestar Limited 4.2 V6 w/Water Injection & Iridium plugs 2008 Mercury Sable 3.5 V6 w/Opened Air Box AMSOIL Lubricants and Filters in everything "Have a good day, and a better one tomorrow" (in reply to BRETM) Post #: 9

RE: First post please help a newbie - 2/8/2008 12:32:31 PM    Bigboyky   Posts: 10 Score: 0 Joined: 2/6/2008 Status: offline Ok my son has done about all he can do at this point. We tried to get a spark but no go. So it looks like its the crankshaft sensor. Is there a test I can do with a multi-meter? If so what am I looking for? I've been working 12 hour shifts at work so I can't help much. These nights of going to bed at midnight is killing me. Thanks for all the help!   (in reply to Use Common Sense) Post #: 10

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