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Loss of power diesel

Engine will not rev ,no power to accelerate.have to plod along

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Not enough information, what car, year and engine size?

Based on info provided I would start with the MAFS or MAP sensors and then move onto EGR valve then onto the throttle body.

Posted on Feb 20, 2012

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  • Jaguar Master
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This is causes by either a defective injection pump or low fuel pressure in a digital injected diesel. If it does have digital injection you must have the system scanned for fault codes and the fuel pressure tested for proper PSI

Posted on Feb 20, 2012

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Posted on Jan 02, 2017

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SOURCE: engine power loss

Can you hear the turbo spooling up? If yes do you hear an air noise... could a number of things from bad turbo, air to air leaking or its piping, or something simple like a clogged fuel or air filter.

Posted on Dec 08, 2008

  • 6 Answers

SOURCE: i have a kia rio 2003 automatique. power loss

hows yr mileage? try cleaning the automatic transmission fluid (ATF) by using vacuum method.. it can consume upto 8 litres of ATF, normally ATF replacement is 4 litres, with vaccum will be more than 6 litres.. if itsnot helping try carbon clean, ask yr mechanic or kia service station

Posted on Sep 14, 2009

  • 32 Answers

SOURCE: engine revs go high when changing gears but loss of power on MAGN

throttle body shaft seals are worn do a boost leak test and you will hear the leak
http://www.cobbtuning.com/info/?ID=3481

Posted on Nov 05, 2009

  • 148 Answers

SOURCE: Have a 1997 Jeep Grand Cherokee 2.5 Diesel. Idles

Change fuel filter and air filter. If that doesn;t help you may have a fuel transfer pump pressure problem.

Posted on Mar 05, 2010

  • 118 Answers

SOURCE: I have a 1997 Jeep Grand Cherokee 2.5 diesel.

Soungs like egr valve is stuck open. Take it off and look inside small hole on the bottom. The pintle inside should be all the way closed. If not then replace the egr.

Posted on Mar 05, 2010

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Diesel loss of power


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Engine revs go high when changing gears but loss of power on MAGN


throttle body shaft seals are worn do a boost leak test and you will hear the leak
http://www.cobbtuning.com/info/?ID=3481

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