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Discussion Starter · #1 ·
Help! My 1996 9000 Aero has just started surging on hard acceleration and I noticed that the APC guage has stopped working - it's just sitting mid-guage and doesn't move at all.

It seems to pull reasonably cleanly under gentle acceleration, but the harder I push it the worse the problem seems to be.

Car has done 105,000 miles and has always been serviced professionally on schedule.

Any ideas?!

Thanks
Bon
 

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sounds like a vacuum line may have come astray somewhere. Look for loose ends, where the line to the boost gauge comes through the bulhead and T's is a good place to start, then follow it round.
David
 

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Discussion Starter · #4 ·
Bingo!!

Three-way union had pipe to the inlet manifold hanging off... cut off the perished bit, crammed it back on and all works as it should.

Thanks for the pointers. I had fears of huge expense!
 
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