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Fuel pump relay clicking

 
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Caleb-mr2




Joined: 04 Jul 2011
Posts: 73
Location: N.Ireland
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PostPosted: Sat Jun 10, 2017 7:13 pm    Post subject: Fuel pump relay clicking Reply with quote Reply with quote including images

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
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Ja99a




Joined: 03 Jan 2005
Posts: 875
Location: Bright Baginton
Feedback Score: 7

1992 Toyota MR2 Mk2 Turbo Rev2

PostPosted: Sat Aug 19, 2017 10:24 am    Post subject: Reply with quote Reply with quote including images

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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