[urq] urq Digest, Vol 148, Issue 2
R Wong
lucky_doggg7 at yahoo.com
Sun Feb 7 16:33:22 PST 2016
Hello All:
About your non-starting ur q, when you turn the ignition switch to the first detent, whereby this "energizes" the systems, does the tach and speedo needles jump a bit off their pegs? They should. If not, try replacing your ignition switch. I had a similar problem like the one that's described in this thread and with a new ignition installed, all it takes is a quick touch and my old girl fires right up.
From: "urq-request at audifans.com" <urq-request at audifans.com>
To: urq at audifans.com
Sent: Sunday, February 7, 2016 12:00 PM
Subject: urq Digest, Vol 148, Issue 2
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Today's Topics:
1. Re: intermittent no crank (Patrick Carlier)
----------------------------------------------------------------------
Message: 1
Date: Sun, 7 Feb 2016 13:24:47 +0100
From: "Patrick Carlier" <p.carlier at pandora.be>
To: "Keith" <spotatashleys at hotmail.com>, "Steve Buchholz"
<urq222 at ymail.com>, <urq at audifans.com>, <theringmeister at triad.rr.com>
Subject: Re: [urq] intermittent no crank
Message-ID: <5483DA9CA58F436BBBA25CBA23CD474A at computer1>
Content-Type: text/plain; charset="utf-8"
keith , when you have a no crank , can you hear the
starter relay click , or do you have nothing at all .
Pat
----- Original Message -----
From: Keith
To: Steve Buchholz ; urq at audifans.com ; Patrick Carlier ; theringmeister at triad.rr.com
Sent: Saturday, February 06, 2016 7:28 PM
Subject: Re: [urq] intermittent no crank
Steve
Thanks for this........I omitted to mention that I have cleaned them all up and even added an additional large earth strap between engine and body so earthing should not be a problem – even the battery earth strap is new and all are secure.
Pat
Re: starter relay – I have fitted a brand new startermotor and the starter is good. Tried it in another car.
I know this will be something really daft when I eventually find out what it is.
Thanks for all the suggestions.
Cheers
Keith
From: Steve Buchholz
Sent: Saturday, February 06, 2016 5:03 PM
To: Keith ; urq at audifans.com
Subject: RE: [urq] intermittent no crank
I don't see any mention of the ground braid. You will find it going from the block to the unibody near the spark plug side engine mount. Check the quality of the braid and that the fasteners are snug.
I had a tough to find no crank issue on my 5kCSQA ... would usually happen when my wife was driving the car ... turned out to be a loose ground at the battery where the ground cable attaches to the unibody.
Good luck!
Steve Buchholz
-------- Original message --------
From: Keith <spotatashleys at hotmail.com>
Date: 2/6/2016 5:18 AM (GMT-08:00)
To: urq at audifans.com
Subject: [urq] intermittent no crank
Anyone who has been on the list for a while may well have read one of my earlier posts with this title. I’m getting closer to solving it but I’m not there yet.
I think I have had a number of issues running parallel because at one time it was intermittent no start as opposed to intermittent no crank because sometimes it would crank and not start and other it would not crank. Now I just have the intermittent no crank having resolved a number of issues which I’ll list but now if it cranks it starts and starts instantly. Trouble is, sometimes there is a no crank issue.
So when it was intermittent no start I replaced plugs, cap, rotor arm, plug leads, coil lead, and coil, new fuel filter, all fuel pressures tested and confirmed in spec. Things improved. Then to counter the no crank issue I changed the ignition switch, the main battery to starter power cable, the battery, the starter the wires for starter solenoid and feed from there to cold start injector (from the connector behind the RHS headlight to the starter), yet still I have occasional no crank. This tends to happen when the battery is a little lower than full charge. I have tested for a parasitic drain on the battery. Off-Key drain is no more than 10 mA. The voltage of that battery today was 12.4V. If I disconnect the lead to the starter solenoid and put a meter on that and turn the key to start position it shows 11.9V which should be more than enough to activate the solenoid. This lead runs from the ignition switch to the jumper in relay position 8 in the fusebox (where an inhibitor relay would sit in and automatic transmission car) and from there round the engine bay to the grey connector under the RHS headlight and then on to the starter solenoid. As I say when this is disconnected and the voltage measured it shows 11.9V in start position. However, if I re-connect this to the starter solenoid and this time measure the voltage at the jumper in the fusebox (key is start position) it only reads 9.4V. Does anyone have any idea why this should be? I am confused.
I feel certain that I could overcome this by simply using a waterproof relay down at the starter solenoid, using the normal feed to the solenoid to trigger and take the main power for it from the alternator positive post but I’d really like to overcome it without have to resort to this.
Any words of wisdom gratefully received.
Many thanks
Keith
‘87 WR in a dismally wet Worcestershire.
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