Spider '91 won't start! - Alfa Romeo Bulletin Board & Forums
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post #1 of 10 (permalink) Old 06-01-2019, 03:36 PM Thread Starter
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Spider '91 won't start!

Hi All,

My spider won't start , I already checked both fuel pumps and replaced a relay and checked the other one (spea) which seems to work. Not sure what to do next, any suggestions?
Thank you
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post #2 of 10 (permalink) Old 06-01-2019, 08:24 PM
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Hi Tony

You may want to ask this question in the Tech section for our Spiders. Off hand I'd say check your grounding. One of my Spiders did this and when properly grounded it started up right away and hasn't given me any problems. One idea anyway. Good luck.

77 Spider-rust issues-but fun! SOLD
93 Spider-151k km-SOLD
94 Spider CE- 48k miles
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post #3 of 10 (permalink) Old 06-02-2019, 04:09 AM
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Quote:
Originally Posted by brownie93 View Post
Hi Tony

You may want to ask this question in the Tech section for our Spiders. Off hand I'd say check your grounding. One of my Spiders did this and when properly grounded it started up right away and hasn't given me any problems. One idea anyway. Good luck.
Does it turn over?

Vin

1991 Spider Veloce - Red on Tan - Rosa Bionda
1987 Spider Quadrifoglio - Red on Grey - Rosa - Sold
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post #4 of 10 (permalink) Old 06-02-2019, 08:50 AM
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Does it turn over?

Vin
Yes, it turned over but wouldn't catch.

77 Spider-rust issues-but fun! SOLD
93 Spider-151k km-SOLD
94 Spider CE- 48k miles
2012-MB SLK350-45k km
Joyce
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post #5 of 10 (permalink) Old 06-02-2019, 11:42 AM Thread Starter
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Thank you, I will check that as well...
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post #6 of 10 (permalink) Old 06-02-2019, 02:06 PM
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Is the battery fully charged? The 91 has a minimum charge required.

Try that.

Vin

1991 Spider Veloce - Red on Tan - Rosa Bionda
1987 Spider Quadrifoglio - Red on Grey - Rosa - Sold
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post #7 of 10 (permalink) Old 06-02-2019, 04:50 PM Thread Starter
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The battery is Ok
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post #8 of 10 (permalink) Old 06-02-2019, 11:29 PM
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Check to see if you have spark. You might want to check the crank angle sensor

Christopher

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post #9 of 10 (permalink) Old 06-03-2019, 03:55 AM
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is this no start something new? iow, your car started fine and ran fine beforehand?
Any work recently done, that might have caused this?

to the problem:
so you changed the relay...which one? the red stripe one?...with the correct type relay (Bosch 0 332 014 112)
on the sipea relay, the AUX motronic relay, did you check the 15A fuse?

what I would do:

as Christopher says, first thing to do is check spark.
no spark, then
check voltage at coil, key on, for battery voltage from one of the small terminals to ground?
yes?
now put a small 12v test light between the neg and the pos coil connections...crank the engine...does the light flash?
(my guess here, would be no flashing therefore no tachymetric signal.....correct?)

no spark is 90% of the time a bad motronic red stripe relay and 10% other things
other things being: crank sensor (test the ohms, about 520 ohms is correct....the crank sensor 3-pin plug is up front, underhood, driver's side near windscreen filler cap, test between the centre pin and one of the outer pins, one pin reads out, the other does not, so test centre to both-one after the other-to be sure you have the right one!
You are testing resistance at the plug FROM the sensor, NOT the plug going back to the ECU!...doing that might fry your ECU...


battery being OK or even new is one thing, but if you do not have 11.5V 'whilst cranking' your computor won't work, it's that simple, so do check that or we will be running around in circles

Dom - Alfa Spider 1990 S4 - formerly: Alfa 101 Sprint, 2600 Sprint, Montreal - family classics: Jensen Interceptor II, '58 Hooper RR Silver Cloud I, Shadow II, '60 Corvette.
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post #10 of 10 (permalink) Old 06-03-2019, 06:01 AM Thread Starter
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Thank you for the info, I will try all the above ;-)
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