1994 blazer tahoe 4.3 vortex w series

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1994 blazer tahoe 4.3 vortex w series - 1/21/2008 10:34:47 AM    redneck   Posts: 2 Joined: 1/21/2008 Status: offline I have no power once ir warms up it keeps boggin out then it takes a few min before it restarts I have replaced the injectors the spider tps iac plugs cap rotor fuel pump computer and prom egr map fuel filter  firing order is right I replaced the distributor also  cn anyone tell me what I can do now to get this thing to run right _____________________________ Eddie Post #: 1

RE: 1994 blazer tahoe 4.3 vortex w series - 1/21/2008 12:23:16 PM    HeyYou   Posts: 146 Joined: 9/19/2007 Status: offline Have you checked the catalytic converter? SES light on? (in reply to redneck) Post #: 2

RE: 1994 blazer tahoe 4.3 vortex w series - 1/21/2008 9:56:34 PM    Chevy Lover General Tech Moderator Posts: 3409 Joined: 6/11/2006 From: Vancouver. B.C. Canada Status: offline I'm thinking possible plugged exhaust. Try pulling out the O2 sensor and running it.(to test) _____________________________ Give a man a fish and he will eat for a day, teach a man to fish, and he will sit on a boat drinking beer for a life time (in reply to HeyYou) Post #: 3

RE: 1994 blazer tahoe 4.3 vortex w series - 1/22/2008 12:39:31 AM    thegr81 Posts: 2621 Joined: 1/16/2007 From: PHOENIX,AZ Status: offline quote: ORIGINAL: Chevy Lover I'm thinking possible plugged exhaust. Try pulling out the O2 sensor and running it.(to test) Would be the faster way to test for a plugged exhaust, and also the cheapest!! _____________________________ 2001 2wd 4.3 vortec v6 "I'm not fat, I'm a minitrucker" (in reply to Chevy Lover) Post #: 4

RE: 1994 blazer tahoe 4.3 vortex w series - 1/22/2008 10:48:47 AM    redneck   Posts: 2 Joined: 1/21/2008 Status: offline converter is good o2 senseor is brand new (in reply to Chevy Lover) Post #: 5

RE: 1994 blazer tahoe 4.3 vortex w series - 1/22/2008 12:46:18 PM    94blazer4.3ho   Posts: 69 Joined: 8/6/2007 From: utah Status: offline have you check for compression? in all cylinders. you said you replaced your fuel pump did you make sure fuel pressure is around 50psi-60psi running/off? maybe falty pump. any check engine lights? codes? is the timming correct? good luck _____________________________ i have been through alot with my blazer in the end its worth it / 1994 s10 blazer with 4.3L V6 vin W 135000 miles new fule injector, EGR valve, water pump, fanclutch, termostat, radiator, front sway bar bushings, bilstein front shocks, (in reply to redneck) Post #: 6

RE: 1994 blazer tahoe 4.3 vortex w series - 1/22/2008 1:23:48 PM    rriddle3 Posts: 1221 Joined: 12/22/2006 From: Fort Worth,Texas Status: offline This just sounds like a typlical ICM failure to me. Check this thread and see if you get the same impression. _____________________________ 2002 Blazer LS 4dr 2WD Auto Trans Hypertech PP III Programmed Flowmaster 50 Series Delta Flow Muffler, C6 Corvette Exhaust Tip TYC Elegante carbon fiber tail lights (in reply to redneck) Post #: 7

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