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Grapes
Sr. Member
   
Posts: 238
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« Reply #172 on: May 03, 2022, 07:56:16 pm » |
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Ah wonderful, that should get me further 👍 thanks! Will look into the amp and sensor then. P.s. I'm also checking this http://www.matraclub.org.uk/faqg.html 😉 So I'll make sure to follow the advice thereon.
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« Last Edit: May 03, 2022, 08:13:17 pm by Grapes »
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roy4matra
YaBB God
    
Posts: 1236

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« Reply #179 on: June 04, 2022, 02:00:15 pm » |
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Just got new HT leads so I'll go with tie wraps, that's a very good tip.
It's currently running a bit smoother. Basically it's back to "normal" so I assume the month without operation might have done something to make it behave like that. I was advised by another owner to have a look at tuning the carb so I'll look into that next when I have the time.
There is another unusual problem with some Bosch distributors that can be missed, so it would be good to visually check the hall electronics out carefully, particularly the reluctor and sensor. The 1.6 has a different design to the 2.2 but you need to make sure the reluctor ring and fingers are not touching as they go through the gap in the sensor, and getting worn away. Check for any free play in the rotor shaft owing to worn bushes, as that allows the shaft to rotate off centre and that is when the fingers will touch and wear away or even break off. For those with 2.2 and Bosch distributors, the reluctor ring fingers can get out of phase after slipping around, and the rotor arm is no longer aligned with the contacts in the distributor cap at the firing point. I have only recently done a repair on one like this, and that would have had a firing/timing problem, which can't be rectified by simply slackening and turning the distributor. I am planning another technical article with photos about this as it is difficult to understand unless you have experience. Roy
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« Last Edit: June 04, 2022, 02:02:38 pm by roy4matra »
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