strong sound

160,000 MILES • 2.0L • 4 CYL • TURBO • 2WD • AUTOMATIC
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EHAB.01
  • MEMBER
  • 1 POST
kindly i have L 93 2003 . and i upgraded my ECU and the turbo and injections to airo . but now i have strange sounds in my car whin the car start eccloration the sound just like "tik tik tik tik " in fast way .and i think the sound become from turbo around. and it became after RPM 2.5 . its start when the turbo start working. the problem is i am sure its not turbo issue cause it was the same sound on the old and new turbo. but on the old one it wasn't loud. i changed every part in my car and checked every thing and visit all the saab dealers in my country. no one could help me :( . notes that the performance of the car is very great right now and after checking the horses power its increased from 150H to 260 H, engine H.
i can send u a record's to sound if u sent me ur email. plz can any one help me i don't know what yo do !
Mar 28, 2016 at 3:14 PM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
you modified the chip so the car puts out more power and injectors have to dump more fuel to compensate. that is probably your noise so it is from your modification that the engine sounds different
Mar 28, 2016 at 11:15 PM
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