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Hi , my 2.8 td pajero 1994 has an acceleration fault.. It idles and revs fine but when acceleraiting up a hill there is a hissing sound from the engine bay and power drops. Any ideas P,EASE )

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  • 153 Answers

Hello,

To me lack of power means Compression, Fuel, Spark.
Hissing sounds like Compression - vacuum leak--either a hose, valve, or gasket. Getting a code?
Should be able to take the vehicle to Autozone, Oreilly's for a free code check. Could be a sensor.

I hope this helps.

Posted on Oct 21, 2013

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Posted on Jan 02, 2017

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onyeredson
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SOURCE: Hissing sound from brake pedal of Renault Scenic 2001

Hi,
From your description this appears to be a Brake servo issue.
The brakes are assisted by a vacuum created from the draw off the inlet manifold, it gives assistance too the brake pedal pressure by a large tank/cylinder mounted on the Bulkhead/firewall.
I feel that the sound you a hearing is air being draw into the Brake Servo from the foot pedal seal and the reason for fluctuation in the engine is the vacuum from the inlet manifold is being upset.
Attention I suspect should be addressed to the Brake servo/pedal seal or gaitor.
I hope this clarifies your thoughts?
Please remember to rate my effort.
Paul 'W'
Onyer~EDSon(:0) {#><U.K.

Posted on Jan 22, 2009

  • 34 Answers

SOURCE: mitsubishi pajero io 1.8 GDI idle unstable

sounds like the cabbruter is losing pressure cheak tubes may be lose or damaged

Posted on Feb 24, 2009

  • 1 Answer

SOURCE: Noisy engine idle and stutter at low or high speed

I had the same problem (X-type 2.0d 2004). The stutter was cured on mine by getting the ECU fashed with the latest firmware. This is a known problem and the update does cure it (£28), I didn't bother with all the tests the garage wanted to.
The noisey engine at idle is the alternator belt. It resonates at idle and causes the noise, There is a modified bottom pulley, tensioner and belt kit, but it is rather expensive ~£200 plus fitting (around 4 hours labour). Mondeo's have the same problem but that kit doesn't fit the Jag.
Hope this helps
KB

Posted on Mar 16, 2009

  • 52 Answers

SOURCE: 2001 focus. Replaced plugs, wires and coil pack.

Have you replaced the timing belt? if not i would highly recommend doing so. these cars need to have the timing belt replaced before it breaks otherwise it can and will cause major engine damage.

Posted on Aug 11, 2009

omaromid
  • 332 Answers

SOURCE: Vw polo maintains engine revs when foot is off the accelerator.

You need to check the cable the runs from the gas pedal to the engine, it might be rusty and need some drops of penetrating oil at the point it meets with the engine accelerator valve.

Posted on Feb 11, 2010

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