166 Relay Location - Alfa Romeo Forum
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Old 07-02-2010
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Help 166 Relay Location

I know manufacturers have a habit of moving components to keep us amused but i can't locate a bank of relays that should be under the right removable panel in the engine bay. After fixing a permanent Key Code light and gearbox light problem the engine runs rough at tick over.

Unplugging the MAF makes no difference.

I have run Unidiag and have had codes P0201 to P0206 'Injector Circuit Malfunction' for all 6 cylinders.

I need to locate the Injection System Relay (I think) - any ideas where they have hidden this on a '99 3.0 Sportronic 166? Or any ideas on things to eliminate?
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Old 07-02-2010
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There is a relay for an 'electronic injection pump' which is situated in a relay box near to the bottom of your windscreen wipers.

Open bonnet, up towards the wiper arms there is a plastic cover fixed with 4 screws - it's under there, marked as E in the book - the one furthermost right in the bank of 5 relays.

HTH
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Old 08-02-2010
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Thanks Hazeyblue, I'll take a look and let you know how I get on.
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Old 09-02-2010
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Originally Posted by CJ156 View Post
I know manufacturers have a habit of moving components to keep us amused but i can't locate a bank of relays that should be under the right removable panel in the engine bay. After fixing a permanent Key Code light and gearbox light problem the engine runs rough at tick over.

Unplugging the MAF makes no difference.

I have run Unidiag and have had codes P0201 to P0206 'Injector Circuit Malfunction' for all 6 cylinders.

I need to locate the Injection System Relay (I think) - any ideas where they have hidden this on a '99 3.0 Sportronic 166? Or any ideas on things to eliminate?
IIRC there is a batch of relays where you say under the metal part .Take a wee bit of manoeuvering to get it out.Cant recall what they do though.

pomeo
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Old 09-02-2010
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Status: "My other car's a 166 TWO"
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166 1999 T 2.5 2001 Y 3.0

Penny just dropped...IIRC its the air con compressor relay.

Pomeo
This dementia is getting hard to live with.
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