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Re: 420A hesitates under load
Well it says you have a MAP and CPS sensor problem. Any problems with the MAP or CPS will normally cause the car to run like shit. Buy a shop manual at AutoZone and it'll show you how to test all the sensor with a voltmeter to see if they're bad or not. Test the CPS, MAP, and TPS. The CPS will throw the misfire CELs because it doesn't know where the crank is and doesn't know how to fire in correlation to it's position. I'm sure once that is fixed, the others should go away.
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2013 Chevy Sonic 1LZ
Daily Driver, 1.4L Turbo, 6spd
75 Monte Carlo
SBC 400 6.6L, Aluminum heads, Hurricane Intake...
12 Chevy Sonic 1LZ 1.8L - Traded
01 Pontiac Grand Am SE - RIP
95 Eagle Talon ESi-T 5spd - RIP
88 Oldsmobile Cutlass Ciera- RIP
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