HELP! 1800Ti ignition problems. Sorted!

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sabre1800ti
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HELP! 1800Ti ignition problems. Sorted!

Post by sabre1800ti » Fri May 30, 2014 4:51 pm

Engine has started cutting out, will start when cold (or has done so far) & will sometimes run for 20 mins. & then will cut out, it then sometimes starts immeadiately, other times it is very reluctant or won't start for several hours. The ignition sometimes appears to cut out & then back in less than a second, when it's doing this & holding the revs. at about 2000rpm the tacho drops to zero & recovers, no impulse?
After a lot of frustration, starter motor jamming now as well, got mode111 read out from ecu.
Have had allsorts of readings, but mostly 21 ignition system fault, but twice 11 faulty distributor/crank angle sensor or circuit.
We had a Silvia for many years which had the same symptoms, only after a couple of years, but no fault codes being detcted & it was the crank angle sensor. Dizzy replaced under goodwill payment by Nissan.
I am trying to convince myself it is not dizzy or do I have to bite the bullet & try & replace sensor following Jim Russell's instructions.
I have changed, mostly in desparation, transistor power pack, coil, & fuel pump.
This is why I posted for a dizzy in wanted section.
Any other suggestions would be appreciated.
Last edited by sabre1800ti on Thu Jun 12, 2014 8:15 pm, edited 1 time in total.


Doug Black
Ex-Factory 1993 Scimitar Sabre 1800Ti Mk 1

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scimjim
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Re: HELP! 1800Ti ignition problems.

Post by scimjim » Fri May 30, 2014 4:55 pm

don't have time to check the books right now but will the lack of crank angle sensor cut the ignition or does it go to a limp home setting? does sound like dizzy sensors (given what you've replaced already) to me.


Jim King

SECURE DRY STORAGE FOR YOUR SCIMITAR

Current: SE5 (8Ball), TI SS1 (snotty), 1600 SS1 (G97), 1600 SS1 (C686CCR), 2.5TD SE5a (diesel 5a), 6 x random other SS1s.
Previous: SE5, 3 x SE5a, 2 x SE6a, 3 x SE6b, GTC, 2.9i GTC, 3 x 1600 SS1, 1300 SS1, Mk1 Ti Sabre, Mk1.5 CVH Sabre
Chief mechanic for: 1400 K series SS1 (Megan3), 1400 CVH EFi SS1 (Grawpy), 1300 SS1 (Number One) & Sarah's coupe.
CURE THE FAULT - NOT THE SYMPTOMS

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Re: HELP! 1800Ti ignition problems.

Post by sabre1800ti » Fri May 30, 2014 5:09 pm

The S12 Silvia didn't have a limp home & these are the same ECU's.
Thank you for confirming what I thought.


Doug Black
Ex-Factory 1993 Scimitar Sabre 1800Ti Mk 1

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Re: HELP! 1800Ti ignition problems.

Post by scimjim » Fri May 30, 2014 5:19 pm

Ah -ok, the Ford EDIS will stick at 10 deg if you lose the sensor.


Jim King

SECURE DRY STORAGE FOR YOUR SCIMITAR

Current: SE5 (8Ball), TI SS1 (snotty), 1600 SS1 (G97), 1600 SS1 (C686CCR), 2.5TD SE5a (diesel 5a), 6 x random other SS1s.
Previous: SE5, 3 x SE5a, 2 x SE6a, 3 x SE6b, GTC, 2.9i GTC, 3 x 1600 SS1, 1300 SS1, Mk1 Ti Sabre, Mk1.5 CVH Sabre
Chief mechanic for: 1400 K series SS1 (Megan3), 1400 CVH EFi SS1 (Grawpy), 1300 SS1 (Number One) & Sarah's coupe.
CURE THE FAULT - NOT THE SYMPTOMS

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sabre1800ti
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Re: HELP! 1800Ti ignition problems.

Post by sabre1800ti » Thu Jun 12, 2014 8:14 pm

Engine now running :D :D :D
Will post more in Project when I get some more time.


Doug Black
Ex-Factory 1993 Scimitar Sabre 1800Ti Mk 1

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