[Peugeot-L] '87 505 Turbo N9TE Boost Gauge Adjustment or Calibration

From: arodnitzky <arodnitzky_at_yahoo.com>
Date: 02/18/06


Hello,

Now that I once again have a working turbo in my car, I am determined to have a working turbo gauge. The gauge itself in the dash works, but it was receiving no signal from the sending unit.

To that end, I replaced the vacuum line between the intake manifold and the boost gauge sending unit. Gauge still didn't work.

On eBay last week, someone was selling a NOS boost gauge sending unit -- but for an '88-up 505 Turbo. I figured...worth a try.

I put it in today, and the gauge now responds to boost. However, it will only go between the first white line and the second white Online...not even a quarter of the way up the scale on the gauge.

(At this point, I'll mention that I have connected a calibrated auxiliary turbo gauge to make sure that the wastegate was working properly and that I wasn't overboosting. However, I want to have a stock look to the dash, and just want to make sure the factory gauge is in the right neighborhood).

I noticed on the boost gauge sending unit that there is a screw on the front, right by the connection for the vacuum line. Is this for calibration? If so, will I be able to calibrate this to work correctly with my car, or is there a big enough difference in the boost gauge senders for the N9TE vs. N9TEA that it just won't work?

Thanks,

Adam
'87 505 Turbo S 5-speed

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