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Am I seeing a sign of impending fuel pump death (Regina single pump)? 900 1993

posted by  matt82dl on  Thu Nov 15 06:51 CST 2007
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last visit: Mon Oct 13 10:46 CST 2014
[RELATED]

Check the fuel pressure regulator. My 940 was get progressively harder to start and the fault turned out to be the fuel pressure regulator.

There are two checks you can perform:

1.With the engine off, remove the return hose, on the back of the regulator (attached with a hose clamp.) Attach a length of hose the the return line and direct into a gas can. Start the engine and you should have a strong stream of fuel into the gas can. If the stream is weak you either have a bad regulator or bad fuel pump.


2. Pull the vacuum tube off of the regulator, if you see and gas on the vacuum side of the regulator then it needs to be replaced.

My regina fuel pump failed at 185,000 miles.

you can start the car and stick an approximately 3/4" dia tube down into the gas tank and listen. A failing fuel pump isnt hard to pick out (wasnt for me at least, it sounded for lack of a better term like it was 'shorting out')

The temp sensor would be good to check too... as others suggested.
--
'90 245 224k, '93 945 184k






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