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Registered User
Join Date: Oct 2011
Posts: 12
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3.2 won't start on the key
my 3.2 1984 has decided not to start on the key.
but will start with a gentle push of 6 to 8 feet and away she goes and then will continue to start up to 4hrs later. but left over night no . i have tried new dme relay, new igniton switch + dme. help any one i just do not understand why she will only start with a push/bump start. steve |
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11-04-2011, 07:48 AM
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Wine User
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Have the battery tested
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11-04-2011, 07:53 AM
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Registered User
Join Date: Oct 2011
Posts: 12
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Quote:
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11-04-2011, 07:55 AM
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Registered
Join Date: Jun 2009
Location: Manhattan Beach, California. Factory Delivery-Original owner-Retired engineer
Posts: 5,238
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Quote:
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1986 911 Targa. Per Road and Track magazine: Only in L.A.: In the window of a bar in Hermosa Beach, California. "Happy Hour prices during all car chases." |
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11-04-2011, 08:05 AM
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RETIRED
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Does the starter turn, click or otherwise show life?
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1983/3.6, backdate to long hood 2012 ML350 3.0 Turbo Diesel |
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11-04-2011, 08:08 AM
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Registered User
Join Date: Oct 2011
Posts: 12
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11-04-2011, 08:18 AM
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RETIRED
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Cold start issues could be pressure, the circuit or fuel pump......
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1983/3.6, backdate to long hood 2012 ML350 3.0 Turbo Diesel |
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11-04-2011, 08:19 AM
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Registered
Join Date: May 2002
Location: St Louis
Posts: 4,211
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The starter turns the engine but it won't start? There should be no difference whether the starter is turning it over or the transmission.
How does the starter sound on your car compared to another 84?
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Rick 88 Cab |
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11-04-2011, 08:51 AM
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Registered User
Join Date: Oct 2011
Posts: 12
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Quote:
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11-04-2011, 08:58 AM
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RETIRED
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Have you checked the cold start fuel pressure? Have you checked the cold sart components?
More imporantly do you have a Bentley manual that contains the test values?
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1983/3.6, backdate to long hood 2012 ML350 3.0 Turbo Diesel |
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11-04-2011, 09:45 AM
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Registered
Join Date: Mar 2008
Posts: 1,082
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sounds like an internal short in one of the battery cells that is slowly draining it over night.
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11-04-2011, 09:49 AM
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Registered User
Join Date: Oct 2011
Posts: 12
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batt only goes dead if i crank it to death like any other batt. |
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11-04-2011, 12:48 PM
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Registered
Join Date: Mar 2008
Posts: 1,082
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Read my recent post on the yellow starter wire that is on terminal 50.
You could try disconnecting the yellow wire from the relay in the smugglers box and give it a try. Yellow WIre, Terminal 50, Starter, and A/C Relay Issue |
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11-04-2011, 12:53 PM
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Registered User
Join Date: Oct 2011
Posts: 12
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i do not have a/c.
so i assume i do not have the relay you speak of. we now find no spark when cranking by key so how come there is a spark when pushed /towed. Last edited by divehire; 11-06-2011 at 04:18 AM.. |
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11-06-2011, 04:14 AM
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muck-raker
Join Date: Jan 2009
Location: Coastal PNW
Posts: 3,059
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do you have a voltmeter? If so, go out and test the voltage on your battery while the ignition is OFF.
Return and post your results.
__________________
STONE '88 Cabriolet, using EP Slick 20w50 partial synthetic Snake Oil...just as Rommel intended.  Deny Everything; Admit Nothing; and Always Make Counter-accusations 
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11-06-2011, 04:36 PM
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86 Carrera Coupe
Join Date: Apr 2008
Location: Holyoke, Massachusetts (western end of state)
Posts: 425
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Sounds like ignition switch is faulty. When in the start key position (starter cranking) you should have spark (sounds like you do not) but when key is in "on" position you have spark (thats why it starts and runs when pushed) but wont start when cranking. Check your ignition switch to make sure no wires are pulled out (or not making good contact all the time). you may even find a melted wire (on the back of the switch) thats shorting out your ignition while key is in start (crank) position. My "86" has a bunch of wires on the key switch and I have replaced a melted wire (over heated due to resistance because of poor contact). I think you need to check this.
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11-06-2011, 05:02 PM
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Registered User
Join Date: Oct 2011
Posts: 12
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you are correct we have no spark.
but push starts. wires all look good ref ignition. fitted new ignition switch (not fully just had it hanging) still no start. fitted new DME relay fully recharged batt over night still no start. anyone please. also if the fly wheel sensors we broken would it still start with a push as it does ??? Last edited by divehire; 11-08-2011 at 04:25 AM.. |
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11-08-2011, 04:20 AM
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Wine User
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Starter connections? Solenoid?
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11-08-2011, 08:02 AM
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Registered User
Join Date: Oct 2011
Posts: 12
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Quote:
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11-09-2011, 04:29 AM
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Registered
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Speed sensor. It's used only at start up and signals the dme and they like to go.
If you buy the BMW one, you'll get it for half the cost. right here on pelican. good luck and i hope you have skinny arms!  3.2 ref sensor flywheel sensor questions Last edited by naples911; 11-09-2011 at 05:51 AM.. |
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11-09-2011, 05:39 AM
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Porsche Carrera
Da cab
1984 Porsche Carrera
1972 Porsche 911E
1999 boxster
