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The Map sensor does not aaffect the boost .It tells the computer HOW MUCH boost you are making so it will deliver the correct amount of fuel . So if Map Sensor is faulty you get poor mileage /performance. MAXIMUM Stock boost is 14-17 psi under load . . .
Replace the line with quality diesel rated hose and change the clamps to the screw type . If you are getting low boost you have a leak OR Turbo Impeller is Toast . . . Mayby you have an exhaust restriction (Clogged Cat) /exhaust leak ? OR you need new Up-pipe donuts. Check for soot areound the Up-pipies Exhaust Manifolds .
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95 E350 PSD HD Cargo , BB shim , E4OD , B&M aluminium Trans pan , HD cooler , Cat sleeps with the fishes , 3:55 D70FF, Michelin LTX " E " ,Not installed yet DP flashed PCM (60 Tow )Autometer Triple Pillar Guage pod , New Injector O-rings /IPR /lift pump / filterbowl @ 235K
1977 F350 Dually Dump , 460 , 429 POLICE heads , 4:56 D70FF, Edelbrock Intake , Holley 850 dbl pmper ,MSD IGN , Custom HiPo C-6 Trans , Dual Exhausts , Bridgestone "E" Tires
1983 KZ1000R , Yoshimura Stage I
1982 KZ1000 , 1045 Wiseco , Turbo ready
1990 KX500
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