| Subject | Date Asked | Expert |
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| Won't start | 8/18/2009 | goodwrencher |
Q: i have got an 89 GMC 4WD, 2500 that wont start. It turns over but will not fire. It act as if ...
A: Use a flashlight and have a look down the throttle body throat while someone cranks the engine over. ...
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| CANT SHIFT OUT OF PARK | 8/13/2009 | goodwrencher |
Q: I have a 97 gmc sierra 2500 4X4. i went somewhere and put it in park and now all of a sudden it ...
A: There should be a brake transmission shift interlock solenoid located on the steering column. When ...
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| 1990 GMC Sierra 1500 | 8/12/2009 | goodwrencher |
Q: I have a 1990 GMC Sierra 1500 2wd with a 350 in it and it has no spark or no fuel! What can we do to ...
A: The first thing you can check is whether the little 'engine' picture shows up on the dash when you ...
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| truck issue | 8/11/2009 | goodwrencher |
Q: My husband is having a problem with his 1994 z71 chevy truck, it has a 4L60 automatic transmission, ...
A: There is usually an emissions sticker under the hood somewhere. Sometimes on the upper rad area or ...
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| tailgate | 8/10/2009 | goodwrencher |
Q: our 2006 silverado 1500 tailgate won't latch shut unless we slam it very hard or repeatedly very ...
A: The handle assembly is likely seized or seizing up. You can try to spray it will some lube but that ...
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| 2005 GMC Sierra Odometer | 8/9/2009 | goodwrencher |
Q: If my odometer or speedometer aren't working, what wire would it be that goes into the PCM? Where ...
A: Whether you want to hang the guy out to dry or not is your choice. Be aware though that you have no ...
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| High speed misfire, 2000 chev. 4.6 astro, | 8/9/2009 | goodwrencher |
Q: I have a high speed misfire that has thrown a code at 68 miles perhour 3 time. Exactly at 68mph 3 X ...
A: Hmmm. I would be doing two things I think. The first is I would be asking the dealer why they have ...
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| 1984 GMC 6.2L Diesel Heater core | 8/8/2009 | goodwrencher |
Q: Where is the heater core located. So far my boyfriend has taken off the entire dash and heater vents ...
A: Unfortunately you have not provided me with enough info to give you the location of the heater core. ...
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| High speed misfire, 2000 chev. 4.6 astro, | 8/8/2009 | goodwrencher |
Q: I have a high speed misfire that has thrown a code at 68 miles perhour 3 time. Exactly at 68mph 3 X ...
A: I would be interested in knowing if it is only one cylinder misfiring or if all are misfiring. If ...
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| blower motor | 8/7/2009 | goodwrencher |
Q: I have a 1995 Chevy Silverado Ext.Cab 305 engine. The blower motor was acting up, it would work for ...
A: I will asume by 'hot' you mean both wire have power. Remove the plug goind to the blower motor ...
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| Fuel valve | 8/6/2009 | goodwrencher |
Q: I have a `79 3/4 ton full time 4x4, with a re-built 350, and auto trans.. I just bought it for a ...
A: My recommendation to you would be to drive it until it happens again, and it will, then remove the ...
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| 2005 GMC Sierra Odometer | 8/6/2009 | goodwrencher |
Q: If my odometer or speedometer aren't working, what wire would it be that goes into the PCM? Where ...
A: Yes it is possible that someone disconnected the speedo, which I will note is illegal in all 52 ...
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| My '71 chevy cheyenne c10 350 | 8/5/2009 | goodwrencher |
Q: I recently got a '71 chevy cheyenne 350 auto trans that ran beautifully until today when she went up ...
A: Unless you have some type of fuel leak around the carb the fire was likely caused by a backfire. As ...
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| 2001 Silverado HVAC | 8/4/2009 | goodwrencher |
Q: Here is a 3 part1. The HVAC system in my truck is making an unusual sound. When the selector switch ...
A: It sounds to me like you have something obstructing your ducts. See if you can pinpoint the area the ...
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| 2000 Bonneville cruise control | 8/3/2009 | goodwrencher |
Q: The cruise seems to 'kick in' when you push the button but won't stay in cruise. Is there a vacuum ...
A: If cruise work when you push and hold the button in, but disengages when you let off the button, you ...
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| labor time on engune exchange | 8/1/2009 | goodwrencher |
Q: I have a 2003 chevolet box truck and need to have the engine replaced. I dont want to get taken for ...
A: I woudl be hesistant to quote a job like that. those trucks can be difficult to work around at ...
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| cooling fan slows down | 8/1/2009 | goodwrencher |
Q: Why would the cooling fan in a 2000 GMC Safari van slow down to almost a stop when accelerating. ...
A: Normal. The cooling fan selectors use engine vacuum to move the mode doors etc. During ...
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| 89 GMC Stall | 7/31/2009 | goodwrencher |
Q: Have an 89 GMC, 1/2 ton, 5.7 litre with 84000 miles. Have not had any problem at all until my wife ...
A: Not uncommon. Replace the sensor, located at the front left of the upper intake if looking at the ...
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| smoking 4.6 | 7/29/2009 | goodwrencher |
Q: I have a 2001 4x4 with a 4.6 and lately the check engine light has been flashing and it has been ...
A: A flashing MIL indicates a major misfire and the black smoke kinda confirms it, especially with no ...
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| 2000 Chevy Silverado losing horsepower | 7/29/2009 | goodwrencher |
Q: I have a 2000 Chevy Silverado with 120000 miles on it. At about 100000 it started losing horsepower ...
A: There are so many things that can cause a condition like that. Plugged exhaust, transmission ...
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| parking brake | 7/28/2009 | goodwrencher |
Q: I went to have my 02 Silverado inspected and the parking brake isnt holding. Can they be sdjusted? I ...
A: The rear braking system on those trucks can be very difficult to work on. The parking brake is ...
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| '99 Grand Prix MAF Sensor? | 7/27/2009 | goodwrencher |
Q: My son's 1999 Pont. Grand Prix GT, 3.8L, AT. Service engine light is on. Borrowed Code reader and ...
A: The pintle that you are referring to is threaded, it may thread itself back. If the car starts and ...
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| my car | 7/27/2009 | goodwrencher |
Q: I have a chevy and it won't start.I thought it was starter and took it off and it tested good.I put ...
A: I would recommend disconnecting your battery before trying to reconnect the starter. Ensure the ...
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| '92 chevy 4.3 won't start | 7/26/2009 | goodwrencher |
Q: I recently bought this truck knowing it leaked gas.After replacing the tank,sending unit,pump, all ...
A: The first thing to do is figure out why it won't start. Is it a spark problem or a fuel problem. ...
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| 2004 GMC Overheating | 7/25/2009 | goodwrencher |
Q: I have a 2004 GMC Safari getting ready to top 150,000 miles. I do cable installs with it and it is ...
A: You definately don't want to be overheating your engine this will result in further damage that can ...
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| 2002 gmc van | 7/24/2009 | goodwrencher |
Q: when I fill the gas tank the engine bogs when the throttle is pushed about half way to the floor. ...
A: I am not sure I have ever heard that before. There are a couple of possibilities. It is possible ...
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| not running | 7/23/2009 | goodwrencher |
Q: 05 GM Express 2500 4.8 V8 just filled gas tank AND pulling trailed soda blasting equipment 7000 lbs. ...
A: The fact that when you spray fuel into the intake it starts indicates your injectors are not ...
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| 97 GMC sputters then dies | 7/22/2009 | goodwrencher |
Q: I have a 97 GMC safari van with the 4.3liter engine. My wife was driving yesterday and it just ...
A: I am a little unclear on what exactly is happening. Let me give you a little bit of back ground ...
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| 2002 chevy v6 ses light | 7/22/2009 | goodwrencher |
Q: i have a 2002 silverado and the ses light is on and blinks and runs rough. Took it to the auto ...
A: If you have a steady misfire on only #6 cylinder there are only a few things it could be (assuming ...
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| Unable to maintain idle | 7/20/2009 | goodwrencher |
Q: I have a 2000 Chevy 1500 Z71 V8. I am only able to keep it running if I apply the gas. Otherwise ...
A: Generally the idle is not adjustable. It is possible that you have a fault with your idle air ...
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| Oil pressure Gage | 7/19/2009 | goodwrencher |
Q: Why would my oil pressure gage shoot up to the Max's and stay there
A: There are a number of reason that your pressure gauge is reading max. One is a faulty sensor, ...
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| CHEVY VAN TOWING, OVERHEATING | 7/19/2009 | goodwrencher |
Q: I tow a 5000 lb travel trailer with a 2005 Express 3/4 ton van with 6.0 engine, 3.73 rear, 4L80E ...
A: Excessive heat is not good for anything. At first glance the tranny is adequate as is the engine ...
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| Spark plug wire sequence | 7/18/2009 | goodwrencher |
Q: Can you tell me what the sequence of the sprak plug wires in the cap is? I have 3 wires and 3 ...
A: Generally speaking the #1 wire will be marked on the cap. The wire sequence then follows the firing ...
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| chevy truck | 7/18/2009 | goodwrencher |
Q: i have a 1997 chevy half ton 5.0,at,ac,basic package.quite oftenin the past 3 weeks it suddenly ...
A: For what you are describing the stall condition is heat related. If I were to diagnose this ...
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| 89' chevy c1500 v8 5.0L | 7/17/2009 | goodwrencher |
Q: all i now is that it sat for 2 years before i got it and has about 1500k miles on it with a rebuilt ...
A: Sounds like you need to get the cob webbs out. Start with the basics. Check for spark, then check ...
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| 93 | 7/16/2009 | goodwrencher |
Q: I have a 93 GMC Sierra 1500 that was running and suddenly died. The car turns over but there is no ...
A: You should consider buying a service manual for you truck, they can be your best friend when it ...
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| P0300 | 7/15/2009 | goodwrencher |
Q: Did a complete tune up, cleaned the injecters, etc After about 500 miles the light came back on. ...
A: Without knowing what you are driving I can only tell you that a P0300 is a misfire related code and ...
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| 1997 5.0L gmc | 7/14/2009 | goodwrencher |
Q: recently changed cap,rotor,plugs, and wires, now my engine light is on, and i have a rough idle and ...
A: If it started after you changed things it must be related to what you have done. Double check your ...
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| cabin air filter | 7/13/2009 | goodwrencher |
Q: 1998 silverado c1500 series v8 5.7 I want to replace the cabin filter but I'm having a problem to ...
A: I believe they started putting cabin air filters into the silverado in 1999, behind the glove box ...
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| fuel pressure regulator | 7/13/2009 | goodwrencher |
Q: 96 gmc 5.7 liter engine, hard to start,once started it will not take the fuel, sitting still or on ...
A: I would suspect you have a fuel pump issue. The fuel may be draining back to the tank after sitting ...
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