Fuel pump relay clicking

Discussion and technical advice the SW20 MR2. 3S-GTE, 3S-GE, 3S-FE etc
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Caleb-mr2
Posts: 108
Joined: Mon Jul 04, 2011 5:38 pm
Location: N.Ireland

Fuel pump relay clicking

Post by Caleb-mr2 »

Hey,

So still diagnosing my misfire.
Changed the plugs, distributor cap and rotor, ignition coil.

Further checks and my fuel pump relay is clicking and evertime it does the idle drops and it runs rough. Has anyone had this problem and knows what the cause is??

Thanks
Ja99a
Posts: 886
Joined: Mon Jan 03, 2005 9:18 pm
Location: Bright Baginton
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Re: Fuel pump relay clicking

Post by Ja99a »

OK - I had the same symptom a few weeks ago, i could hear the pump and the relay was clicking in and out, had a missfire at anout 5k rpm when boost was coming in...

So I tried changing the filter, then the rail and the Fuel pressure reg, finally I removed the tank and found the fuel pickup filter clogged with "stuff" I swapped the pump out with a new one and filter, mainly because the removing the tank is a real ^%$& job.

I suspect it will be the pickup filter which means removing the tank... A horrible job on axle stands but possible. Takes quite a while to do...
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