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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   Drive Shaft Repair I have a 2015 Chevy Traverse AWD. The fr...   2006 Toyoto Camry XLE Driver Side Electric Window Trouble Hello, Looking for a little brain help ...   Tierod end change caused some kind of leak Hello so I just took my car to the nearb...   2011 Dodge Nitro OBD scanner seems to drain battery in 10-20 minutes When I bought this car in summer 2023, a... Grounding Cable, 2017 Jeep Renegade Trailhawk The Cable that connects my negative batt... Rough Idle (Found new thing) Hi everyone. First of all sorry for bad ...     equipment hey yall. im a first year engineering st...   HELP I have a 1956 1/2 ton panel truck, 69 35...   Howdy     Just wanted to s...   ABS/Tractiob/Brake Lights on But No DTCs Hello all, Recently while driving m...

Search Auto Parts Search 2000 Chev. Blazer 4.3 hesitating. No codes Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Car Troubleshooting old4x4 New User Jun 6, 2010, 6:26 PM Post #1 of 4 (2163 views) 2000 Chev. Blazer 4.3 hesitating. No codes Sign In 4WD, 2 door, auto trans. It feels like a misfire. More of a hesitiation or stumble on acceleration (lower RPMS) most of the time. No problem starting. Sometimes you can hear it happen at idle. Here's the weird part: This seems to happen once a year, I replace my cap/rotor, and it seems to go away most of the time. Not this year. Wires/plugs have 15K or so on them and the problem also started before their replacement. Cap, rotor, PCV new. Fuel filter and fuel pump getting replaced as I type this. Orig O2 sensors, orig cat. Fresh tank of Mobil 89 octane. Coil tests good, No pullable codes present except the fuel sender code (which will be new soon). 118K on the engine.. Any ideas? I'm really hoping the engine's just starved for fuel. (This post was edited by old4x4 on Jun 6, 2010, 6:44 PM) Sidom Veteran / Moderator Jun 6, 2010, 10:53 PM Post #2 of 4 (2154 views) Re: 2000 Chev. Blazer 4.3 hesitating. No codes Sign In If you're planning on changing the pump assembly due to the sender problem....... Do that and see if it helps.......... old4x4 New User Jun 8, 2010, 10:00 AM Post #3 of 4 (2148 views) Re: 2000 Chev. Blazer 4.3 hesitating. No codes Sign In OK, got the Blazer back and it seems to drive fine (thought I felt something.....), but I can hear (feel) the rough idle While parked. Whaddya think? (This post was edited by old4x4 on Jun 8, 2010, 3:57 PM) old4x4 New User Jun 9, 2010, 10:39 AM Post #4 of 4 (2139 views) Re: 2000 Chev. Blazer 4.3 hesitating. No codes Sign In Anyone?   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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