Performance Restricted - XJ8 2002 Vanden Plas. 4.0 V8
#1
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Hello Everyone,
I wanted some advise on what to do with my Jag. Being not so smart i decided to straight pipe my car and added after market back pressure exhaust tips. Due to this the car now randomly keeps showing a "restricted performance" sign on the dash. This does cut the power out/reduces performance alot and now the car sometimes stalls this has been happening for a few weeks and the sign sometimes come on and goes off. Also I do have an after market air intake system.
- I would appreciate some help/knowledge on this subject on how to fix this and yet keep the sound and performance.
Best,
Hammad Askari
I wanted some advise on what to do with my Jag. Being not so smart i decided to straight pipe my car and added after market back pressure exhaust tips. Due to this the car now randomly keeps showing a "restricted performance" sign on the dash. This does cut the power out/reduces performance alot and now the car sometimes stalls this has been happening for a few weeks and the sign sometimes come on and goes off. Also I do have an after market air intake system.
- I would appreciate some help/knowledge on this subject on how to fix this and yet keep the sound and performance.
Best,
Hammad Askari
#2
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The first thing to do is try to find someone that can read any engine codes, and see what they will lead you to. A lot of times, something will be there and point you in the right direction. Hard to say for sure what could be causing it without any codes, as many things can trip that mode.
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