Real challenge for mechanics Cali 08 Chevy cobalt Lt 2.2 supercharged - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 2 (permalink) Old 08-20-2017, 01:28 PM Thread Starter
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Real challenge for mechanics Cali 08 Chevy cobalt Lt 2.2 supercharged

OK here's the problem. Will crank start for sec but wont idle will die. Everything has been replaced including supercharger m62, maf sensor,map sensor,crank shaft sensor,can shaft sensor, fuel filter, high flow performance fuel pump,60# fuel injectors new,new spark plugs and coil packs, new intake manifold,new intercooler and pump,egr new, throttle body new, timing been checked, compression test done, fuses and relays replaced, the computer was tuned by the people whobive bought the supercharger kit from which zzp performance, etc.. So I'm already over 3k put into this and still not running so any advice is very appreciated oh and its throwing no codes I've used a obd 2 scanner and a HP tuner scanner, reply or email deathawakening09 and can even give my number but privately.
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post #2 of 2 (permalink) Old 08-21-2017, 05:19 AM
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Have you tested for fuel pressure at the rail? Was your old fuel pump dead - why switch to the high-flow fuel pump (it's not needed until you're into something like the 400+ HP range).

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1998 Chevrolet Cavalier - Wrecked/Donated
2007 Chevrolet Cobalt LT - M62 Supercharger, Ported Throttle Body, 42 lb/hr Injectors, Intense 2.9" Pulley, Cobra Heat Exchanger, SS/TC Exhaust, TTR Engine and Trans Mounts, Trifecta Tune, ZZP Header and Downpipe, '08+ FE5 Struts/Shocks, SSC Springs, FE5 Control Arms, SS/SC Front Swaybar, Powell Hardcore Rear Swaybar, 18" MSR 045s, Dunlop ZIIs, Nightshaded Tails/Side Markers, Shorty Antenna, Black Bowties, Black Grilles, Black Headlights, Dual JL 12" w1v2 Subs, A/D/S Front/Rear Speakers, Pioneer 7" Touchscreen, G85 Recaros, Leather Rear Seats, 160 MPH Cluster.
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