 |
 | Home | Contact Us | FAQ | Search & Site Map | Link to Us |
 | Sign In | Join | Other 45 Sites in Network |
Car Forum / Porsche / Porshe 944 / September 2006checking resistance on ignition coil '87 944 n.a.
'87 944 n.a: i checked my Bosch ignition coil resistance b/t pin 1 and 15 and its 0.8 Ohm. Haynes says it should be 0.4 to 0.6. i'm presuming its "close enough" while i continue on, which is where i'm confused. "terminal" 4 SHOULD be underneath the rubber plug - i see lots of thick black material. i tried scraping some out trying to be careful but it seems theres no end in sight. i have no idea how this thing is designed - i figured it'd be a nice connector but... oh btw, the ignition cables (Karlyn), rotor, distributor cap, plugs and starter are relatively brand new. i have not checked for spark yet. the starter rotates the engine fine, plenty of battery charge, but at best, the engine catches for a few turnovers then dies. 90% of the attempts result in no catch. -bryan why do you think ignition and not fuel? > '87 944 n.a: i checked my Bosch ignition coil resistance b/t pin 1 and > 15 and its 0.8 Ohm. Haynes says it should be 0.4 to 0.6. i'm [quoted text clipped - 13 lines] > > -bryan  SignaturePosted via a free Usenet account from http://www.teranews.com Warning: Do not use Ultimate-Anonymity They are worthless spamers that are running a scam. > why do you think ignition and not fuel? you really got at the root of it - there's no thinking , only hope, because i have to eliminate possibilities. i have thought it could be the injectors, fuel rail, and any of those wires and plugs arrayed around the engine, and i read about wet DME's, TPS, fuel pump, and so on. oh, i also checked the air filter, its not bad. i also gave it lots of throttle during starting and it didn't help <--(suggests fuel problem?). its difficult for me to check for spark right now, so the coil seemed the easiest/cheapest/fastest thing to eliminate. i could go on with more trivia, but... i take it that the coil is... well,... i mean... where's this "connector" 4 i'm supposed to be able to touch with a multimiter pin? -bryan > > why do you think ignition and not fuel? i should add that when the car could start and hold, and get driving around, i had no problems that seemed to me to indicate fuel problems, like stuttering or slow response to pressing the accelerator. the idle speed is ~ 800 RPM. but i see your point. -bryan so, try an experiment - remove a spark plug, connect the wire to it, have a friend crank the engine and see if you have a spark - it doesn't prove that the spark is at the right time, but it will rule out most coil and wire failures >> > why do you think ignition and not fuel? > [quoted text clipped - 4 lines] > > -bryan SignaturePosted via a free Usenet account from http://www.teranews.com Warning: Do not use Ultimate-Anonymity They are worthless spammers that are running a scam. It's like never the coil - and the DME does not have to be wet to be bad - try knocking it before starting. Signaturejoliett -------- > so, try an experiment - remove a spark plug, connect the wire to it, have > a friend crank the engine and see if you have a spark - it doesn't prove [quoted text clipped - 8 lines] >> >> -bryan |
Reply to this Message |
 Sign In
 Join
 My Latest Posts My Monitored Threads My Blog My Photo Gallery My Profile My Homepage Start New Thread Enable EMail Alerts Rate this Thread
|
©2009 Advenet LLC Privacy Policy - Terms of Use
This website includes both content owned or controlled by Advenet as well as content owned or controlled by third parties.