Classic Audi Technical Mech/Tech Engine » Engine fault codes

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Old 20-11-17, 11:23 PM   #11
Colin Aitchison
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Is the spring inside the rotor arm or is it part of the distributor?[/quote]

Rotor arm below with rev limiter built in, as the rotor arm spins getting faster and faster the centrifugal force acting on the rev limiter spring ( green circle ) allows the rev limiter plunger to move in direction of the red arrow and fires to a different cylinder.

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Old 22-11-17, 01:13 PM   #12
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My rotor arm isn't like that, it's like this
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Old 22-11-17, 09:56 PM   #13
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Does this version of CIS have a rev limit in the fuel pump relay?
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Old 22-11-17, 11:50 PM   #14
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Quote:
Originally Posted by hotsnot View Post
My rotor arm isn't like that, it's like this
Can't see the other side of it but it looks like a standard Bosch rotor arm so it won't have a rev limiter built in it.
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Old 23-11-17, 09:42 AM   #15
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Quote:
Originally Posted by Andy10v View Post
Does this version of CIS have a rev limit in the fuel pump relay?
The garage did replace the fuel pump relay, where is it located as it's not where I thought it would be under the bonnet, so I can check they fitted the correct one?
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Old 23-11-17, 02:00 PM   #16
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That's the normal fail when a 4 cyl fuel pump relay is used in a 5 cyl car.

FPR should be in the main fuse box in the engine bay on an 87 ?
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Old 23-11-17, 04:06 PM   #17
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Relay is looking like it could be the culprit...interesting read. When I put my VRN into car parts websites it comes up as a 90hp model.

http://www.clubgti.com/archive/index.php/t-188590.html
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Old 23-11-17, 05:07 PM   #18
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Ok, found it. The fuse box cover doesn't list it as that.
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Old 23-11-17, 07:10 PM   #19
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Is it a GT or Audi Coupe ?

What was the original engine as the 90hp 1.8 were never called GT. That was reserved for the 1.8i, 2.0i and 2.2i for the 87 cars.
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Old 23-11-17, 09:17 PM   #20
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Quote:
Originally Posted by mikes2 View Post
Is it a GT or Audi Coupe ?

What was the original engine as the 90hp 1.8 were never called GT. That was reserved for the 1.8i, 2.0i and 2.2i for the 87 cars.

GT, does anyone have the correct pt number for the relay?

Last edited by hotsnot; 23-11-17 at 09:23 PM.
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