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  1. 2006 Sport Overheated - Reduced Engine Performance

    Range Rover Sport / L320
    Last night the fiance and I were on our way to the gym when I was driving and noticed the engine seemed as if it was overworking - best described as the engine breathing harder. As we pulled on to the freeway we were hit with the "Reduced Engine Performance" error, followed by a low coolant...
  2. Reduced Engine Performance warning

    Range Rover Mark III / L322
    Well, the first issue's popped up. Started the truck this morning and was welcomed with a "Reduced Engine Performance" greeting. Backed out of the garage, turned it off, restarted and it was gone. Today was the first cold morning since I've owned the RR. Was probably in the mid-30s in the...
  3. Reduced Engine Performance message

    Range Rover Mark III / L322
    Hey guys, I bought an 06 RR HSE last week and have been getting Reduced Engine Performance intermittently and 2x the engine has just shut off completely, has anyone else encountered this problem. The vehicle just hit 63,000 miles. I thought it may have been a bad tank of gas, so this past week...
  4. Reduced Engine Performance message

    Range Rover Mark III / L322
    I have been getting a Reduced Engine Performance message over the past few days and twice the engine just shut off completely, the error message only appeared once today and I did a lot of driving thinking the first tank of gas I put in the RR last week when I bought it may have been bad gas. I...
  5. reduced engine power - fault

    Range Rover Mark IV / L405
    Having done 1.000mls (1600km) with my new big diesel suddenly "Motorleistung reduziert" (german) = reduced engine power(?) pops up and the truck hardly accelerates. Max speed approx. 65mls/h (100km/h). The dealer said it is probably turbo hose gone loose, but couldn´t fix it in a day. I was...
  6. Reduced volume to stereo / radio

    Range Rover Mark II / P38
    Hello , recently I fitted a mp3 aux box with mp3 lead to my 2000 4.0 SE (March registered) the stereo was running as I fiddled / experimented with 'best fit' radio keys ( halfords did not do the correct ones )in an attempt to see which would fit to remove stereo when I came to do the job as I...
  7. 2006 RR HSE Reduced Engine Performance Fault with Power Shutoff

    Range Rover Mark III / L322
    2006 RR HSE Reduced Engine Performance Fault with Power Shutoff My 2006RR over the past month started receiving the same 'Reduced Engine Performance' messages and has loss power while driving and while pulling into my garage. Seems once the fault code is displayed, I can drive for about 10-15...
  8. Transmission Fault Traction Reduced

    Range Rover Sport / L320
    For the past few weeks my RRS supercharged with 82k miles has been giving a transmission fault traction reduced warning when you start it up. It happens EVERYTIME we crank the car without fail and do not go away. I did a little digging and found suggestions that it may be the battery going dead...
  9. Reduced Engine performance.

    Range Rover Mark III / L322
    I was getting this message for about 6 months now, replaced the mass airflow sensor with no help, finally I found the throttle body dirty, problem reolved after cleaning it. no hesitation @ idle any more.
  10. Reduced engine speed gear change.

    Range Rover Mark II / P38
    Hi All, I have a year 2000 p38 which was fitted with a 4.6, however, this was changed for a 2.8 international diesel. This engine has max revs of 3.8, and loads of low down torque at 1.400 revs, but the gearbox does not change into top (4th) until the car reaches 48 mph, so when I am...
  11. loss of power, reduced engine perf

    Range Rover Sport / L320
    Help Just purchased 06 range rover sport supercharger with 66k. Out today for ride and noticed loss of power. I pulled over for a few minute and started back up and problem seemed to clear. However, later in the day it happened again and this time message displayed "reduced engine performance"...
  12. Reduced Engine Proformance @ Elavation

    Range Rover Mark III / L322
    So I am looking for some advice or input on the same matter. I have a 06 rr s/c 60,000 miles. The first time I had this REP code come up I was going over a pass 6000' elevation. We pulled over turned the car off and went on our way. Everything was fine for about 10 minutes then it happened...
  13. Reduced engine performance...again..I am so frustrated with this

    Range Rover Sport / L320
    Reduced engine performance...again..I am so frustrated with this Hi everyone, Looking for some help. I was towing my vette home from a car show today and I got the engine performance reduced code linked to the coolant pump issue. Here is my problem. I have already replaced that coolant pump...
  14. Reduced wind noise.

    Range Rover Mark II / P38
    There seemed to be a lot of wind noise in my car.I removed the door striker turned it upside down and moved it back about 2 mm.Now there is almost no wind noise.Unfortunately i can now hear all the noises the wind noise was masking. If you try this remove one of the striker bolts at a time and...
  15. Reduced Engine Performance

    Range Rover Mark III / L322
    Hello Everyone, 2006 Range Rover L322. 4.4L Jag Engine. Occasionally whilst driving the "Reduced Engine performance" warning will display with a chime. The vehicle continues to run normally for as far and as long as I drive it, except, if I were to back the vehicle up after the warning has...
  16. RRS Purchased, having issues within the first 2,000 miles

    Range Rover Sport / L320
    Hey all. New member on the site, just purchased my first RR. I've been a Bimmer man in the past so these are uncharted waters for me and I appreciate any help I can get on the subject. I purchased an 06 Range Rover Sport HSE with 62,xxx miles from the local Jag/Rover Dealership here near...
  17. reduced engine performance

    Range Rover Mark III / L322
    hey yall.... so i have a 2006 rr HSE i was on my way back home from visiting family about 200 miles and after i had been driving all that way i got like 5 min from home doing about 70mph and the check engine light came on and the "reduced engine performance" was on and it is still on!!! its not...
  18. 2006 l322 (reduced engine performance)

    Range Rover Mark III / L322
    Dear All, I own a 2006 L322 S/C and I recently began having this problem: Once you hit the 80miles/120 km on the speedometer for about three to four minutes, the onboard computer immediately pings and then subsequently reads "reduced engine performance". The performance is then cut, the car...
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