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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   Rear brake retaining clips 2015 Toyota Camry. I bought Import Direc...   2010 Mazda 3 Electrical Going On and Off while driving I drive a 2010 Mazda 3. It's always been...     Car idles funny but doesn't throw codes 2006 Hyundai Elantra Engine size: 2.0L m...   Sanded rotors (deep scratches) I'm new to the forum and I have a couple...   Code P0193 Fuel Rail Pressure Sensor Circuit High Bank 1 2004 Ford E-350 Super Duty Ext Cargo Van...   speedometer wild deflections; sometime pump gas 1999 Gmc Savana, rwd, 5.7 (I think) v8 ...   Car stalling problem My 2013 hyundai started losing power whe...   2018 Kia soul. Knocking while accelerating. Hello, my 2018 Kia soul started making t...     2005 Buick Lesabre surging My 2005 Buick Lesabre runs good & th... Misfire on coil E I am new to this forum. I haven't figure...

I have a (cough)94 GMC Jimmy! Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Engine Troubleshooting alboho New User Mar 13, 2009, 6:38 PM Post #1 of 3 (2840 views) I have a (cough)94 GMC Jimmy! Sign In Hi everyone, I'm a new poster. I have a 1994 GMC Jimmy 4.3 CPI and it wont start. Now I've checked pretty much all of the forums out there and don't know what to do. I have replaced everything but the kitchen sink. Injector spider, fuel pump (60 lbs.), fuel filter, coil, igniter in distributor, computer and anything else I could think of. Checked the fuel volume (pint@15 sec.), compression on all cyl. low on 1 cyl. TPS ( voltage is good throughout throttle travel 2.2v-4.8v 5v reference). It will start for a second, then it dies. I heard that the oil pressure switch can shut off the fuel pump if it senses low oil pressure. True? If op sw faulty? It ran fine last week. Thanks for your help Tom Greenleaf Ultimate Carjunky / Moderator Mar 14, 2009, 2:39 AM Post #2 of 3 (2837 views) Re: I have a (cough)94 GMC Jimmy! Sign In   Yes - I think the oil pressure sender switch can disable fuel pump. It likely gives you a short grace period for start up - also check the connector..... T alboho New User Mar 14, 2009, 9:08 AM Post #3 of 3 (2834 views) Re: I have a (cough)94 GMC Jimmy! Sign In Thanks, I'm will be checking that today. I will let you know what happens.   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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