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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   mdma pills for sale : WhatsApp +33758633852 ketamine, 4-MMC, MDPV, methylone, amphet...   Buy Nembutal Oral Solution Pentobarbital.. WhatsApp +33758633852 order nembutal online in Germany (WhatsA...   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...

Search Auto Parts Search 1994 Caprice, 5.7 L Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Car Troubleshooting tpkfarms New User Jun 12, 2008, 6:27 PM Post #1 of 3 (2787 views) 1994 Caprice, 5.7 L Sign In Hi, I have trouble to identify the problem with my 1994 chevy caprice, 5.7L engine. Under load, after engine heated up: hesitate when accelerating, do not respond to rapid press on accelerator (feels like fuel starving) , when accelerating sometimes a back fire like noise, when cruising whenever load is increased (eg. slight up hill) feels like intermittent missing. The yellow light signal "engine need service soon" is not on, neither any other warning lights. Car starts, idle as well as rev up perfect under no load.. New spark plugs, air filter, and inline fuel filter. Fuel pressure normal and steady at idle and higher rpm's. (tested while the car is parked) Tried new MAF and MAP sensors, no improvement. Any idea?? Thanks, Thad dave284 Enthusiast / Moderator Jun 12, 2008, 8:37 PM Post #2 of 3 (2784 views) Re: 1994 Caprice, 5.7 L Sign In Thad, it could be a few things that came to mind.....water in the fuel/ vacuum leak at intake/ timing being off/ or a bad valve, try some injector cleaner, and do a vacuum test on the engine/ also check the timing. Double J Veteran / Moderator Jun 12, 2008, 11:08 PM Post #3 of 3 (2783 views) Re: 1994 Caprice, 5.7 L Sign In Spark plug wires an "break up" / misfire under a load.. Just an added thought. Jim (This post was edited by JIM N on Jun 12, 2008, 11:10 PM)   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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