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1995 GMC Yukon Support Question

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Question posted by goodwinmike on July 14th, 2012

Runs Good At Idle But Stumbles And Dies Under A Load

replaced-plugs and plug wires/coil/fuel filter/o2censor

Current Answers

Answer #1: Posted by roadrunnertim on July 14th, 2012 11:16 PM
This answer was accepted by the poster of the original question.
roadrunnertim

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Replace the TPS (throttle position sensor) first and see if that solves the problem. It should be located on the throttle body. Not hard to replace.

If that doesn't solve it, replace the crankshaft position sensor. That is located behind or next to the harmonic balancer (crankshaft pulley). 

Related Manual Pages

Owner's Manual - Page 167

And. These are the wire-like the front control. don't put decals there, you elements which heat your window. to For best ...not cover this option looking at the rear by window. If you see lines running across the glass, have scrape themoff. The rear window defogger will allow second seat passengers to RUN. 3-7 The rear control works just like you might have it. It will ...
Owner's Manual - Page 222

... engine, make it at a higher speed to preserve the heat. If you have to run it go alittle faster than just idle. Preserve the fuel as long as you may damage the transmission. NOTICE: Using a power winch with your vehicle is , push the accelerator slightly. When operating power winch, always ...
Owner's Manual - Page 287

...'t as good as that has been adapted to cold weather or a Number 1-D, you add the kerosene, run your tank. In cold weather, your diesel fuel. Only low-sulfur diesel fuels are refueled with low-sulfur (.05% by weight) content. To unclog it, warm the filter to between 32°F and 50°F (0°C to replace it...
Owner's Manual - Page 288

...be drained. Then, have it fixed so it means water was pumped into fuel tank. 6-6 Drainfuel filter immediately. see your fuel. If it doesn't, have the water drained a t once. If the .... Turn off your engine, as a check. If no fuel pressure is fuel injection systemand your is present, replace the fuel fi 1ter. "WATER IN FUEL" LIGHT CHART Problem Light comes on , you ever do...
Owner's Manual - Page 289

...idle until clear fuel is burned. A CAUTION: Diesel fuel containing water still flammable.You could be purged. See your fuel, keep sparks, flames and smoking materials away from the mixture. 6-7 Place a fuel-resistant container under the filter...Re~nove fuel-resistant container and properly dispose of prernature fuel filter plugging due t o dirty or contaminated fuel. Install the fuel tank cap...
Owner's Manual - Page 290

.... However, if you 've run out of fuel. 2. They can the damage your diesel fuel and the weatherwarm or is air, then you can grow in fuel. Briefly crank the engine and have... motor to remove water, see some clear fuel at least two gallons of fuel. With the air bleed valve open the fuel filter air bleed valve. To restart your fuel system. Your dealer can damage your engine...
Owner's Manual - Page 291

... the parking brake. 2. It could start a fire if it : A CAUTION: Diesel fuelis flammable. This releases vacuum in the tank. 3. Take off until your engine starts. Fuel Filter Replacement(Diesel Engines) If you could beburned. You could beburned. Your vehicle's engine should be off the...
Owner's Manual - Page 292

...replace the fuel cap. 1 0 . Push the element in the top of the new element with the widest key on the element sealing surface of the filter head. 5. Replace and tighten the ring nut to the top of the filter... is any dirt on then top of the filter head 8. starter to 15 seconds. Wdit one minute for leaks. 6- 10 Check your fuel filter and air bleed valve for your engine and ...
Owner's Manual - Page 296

... itfirmly. Engine Oil (Gasoline Engines) It's a good idea to check your engine when it is warm orhot, or whenit is cold. you ever clean the engine, clean If it only when it . In order to it is running, you could cause serious damage to get fuel. Cleaning Your Diesel Engine I NOTICE: If you...
Owner's Manual - Page 309

While pulling a trailer. Let the engine run at normal operating temperature, which is 180°F to idle the engine longer. Then, position the shi.ft lever ... right reading. Should the tluid level be at idle for quite a while. With the parking brake applied, place the shift lever in each range. Keep the engine running. drive the vehicle in DRIVE (D) until the ...
Owner's Manual - Page 360

Standard Suburban - Gasoline Engines Engine VIN Oil Filter Air Cleaner Filter PCV Valve Spark Plugs'': Fuel Filter Radiator Cap 5.7L K PF 12 1 84A348C CVJ74C CR43TS GF48 1 RC36 7.4L N PF1218 A348C cv774c .CR43TS GF48 1 RC36 j-Four Wheel Drive Vehicle - Service Replacement Part and Filter Recommendations - Fuel Tank Capacity TYPE Gasoline/Diesel Utility Models - Standard ...
Owner's Manual - Page 361

... will cause compressor failure, refrigerant oilsludge, or poor air conditioning system performance. For additional information, see your GM dealer. Service Replacement Part and Filter Recommendations - Diesel Engines Engine VIN Oil Filter Air Cleaner Fuel Filter Surge Tank Cap 6.5L S PF1218 A I236C TP 1006 RC33 6.5L F PF1218 A 1236C TP 1 006 RC33 Air Conditioning Refrigerants Not...
Owner's Manual - Page 373

... km) 8 Automatic Transmission Service (severe conditions only) Every 60,000 Miles (100 000 km) Engine Accessory Drive Belt Inspection Spark PILI^ Wire Inspection Ensine Timing Check Fuel Tank, Cap and Lines Inspection Schedule I is true. Every 30,000 Miles ( 0 000 km) 5 Air Cleaner Filter Replacement Spark Plug Replacement Fuel Filter Replacement Cooling System Service(or every 24 months.
Owner's Manual - Page 374

...Plug Replacement Fuel Filter Replacement Air Cleaner Filter Replacement Front Wheel Bearing Repack Every 50,000 Miles (83 000 km) Automatic Transmission Service (severe conditions only) Every 60,000 Miles (100 000 km) Spark Plug Wire Inspection Engine Accessory Drive Belt Inspection Fuel.... 0 Most trips include extensive idling (such as frequent driving in dusty areas or off-road frequently.
Owner's Manual - Page 375

... occurs first) Air Cleaner Filter Replacement Engine Timing Check Thermostatically Controlled Air Cleaner Inspection Air Intake System Inspection Every 27,000 Miles (45 000 km) Spark Plugs Replacement Every 50,000 Miles ( 3 000 km) 8 Automatic Transmission Set-vice Every 60,000 Miles (100 000 km) Spark Plug Wire Inspection Exhaust Gas Recirculation (EGR) System Inspection Fuel Tank.
Owner's Manual - Page 377

Most trips include extensive idling (such a s frequent driving in stop and go traffic). police. taxi, or other ... 27,000 Miles (45000 km) Spark Plugs Replacement Every 50,000 Miles (83 000 km) Automatic Transmission Service Every 60,000 Miles (100 000 km) Spark Plug Wire Inspection Exhaust Gas Recirculation (EGR) System Inspection Fuel Tank, Cap and Lines Inspection Evaporative Emission...
Owner's Manual - Page 395

... o n Control Service. 0 Inspect fuel tank, cap and lines for any damage. Inspect fuel cap gasket for damage orleaks . I ...Replace air cleaner filter. Footnotes -1The California Air Resources Board has determined that all recommended maintenance services be performed after 60,000 miles ( 100 000 km) at every engine o i l change . Gasoline Engines With 0 Inspect spark plug wires . Replace...
Owner's Manual - Page 419

..." F (-1 2" C), or higher. Check readfront axle tluid level and add fluid as needed . Replace fi I ter if necessary. An Emissiorl Control Service. 0 Lubricate the front suspension, king pin bushings. Replace fuel filter. whichever occurs first). Replace filter sooner if it is cold. Inspect spark plug wires. Perform each of the listed lubrication service items at this mileage interval (or...
Owner's Manual - Page 446

... joints and king pin bushings should not be damaged. Emi.s.sion Cmtl-ol Service. 0 Replace fuel filter. When weather is cold, let the ball joints and king pin bushings warm up before ... System (if equipped) (except Code F engine) as described in the Index for any worn, Ai7 plugged or collapsed hoses. See"Engine Coolant" in the service manual. An E117i.s.siot1 0 For 2-Wheel Drive...
Owner's Manual - Page 459

...first). plugged or collapsed hoses. AI? This is a Noise Emission Control Service. Replace parts a s needed . replace belt as necessary. AI? Adjust or replace a s.... Replace filter sooner if it is a Noise e Emission Control Service. Adjust 01- Tighten connections and fasteners or replace damaged parts as needed. I ~ , S ,CoutrolI An S~O~ Scr17icc2. Replace fuel filter. ...

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