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I have a 1991 gmc sonoma with 4.3 and I recently replaced idler pully and no more then a mile after replacement my truck stalled out. Immediately after replacing pully truck idled weird for a moment so I shut off the engine and restarted the motor. I took it for a test ride around the block and it seemed to be driving great as soon as i pulled back up to the shop the engined stalled out and I could not restart the engine. It seems like my fuel is being delivered to throttle body as i have replaced fuel pump and i am still having the same problem. The fuel lines have gas at the throttle body and i can hear fuel pump turning on . if I spray staring fluid it will crank but then it dies. I dont know if it is bad injectors or if its something else. About2 weeks ago i installed a throttle body spacer not sure if that has anything to do with this but I drove the truck daily and it was only after the pully install that this issue began. Please help i miss my truck
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Hello! Just joined because I'm looking for directions. My '98 Sonoma runs like a dream...except, there is a slight delay in the engagement when I shift into reverse. Not sure where to begin in my search for information and options. I'm in the Greater Detroit area. I've kept the truck well maintained despite the 264,000 miles. Original engine and transmission. Where can I look/who can I talk to/what do I ask? Thanks! and I wish I found this site sooner. Pat
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(photo courtesy paratic.com) George Kennedy Contributing Writer, GM-Trucks.com 7/18/2016 When you think of celebrity cars, a number of high-end vehicles come to mind. Be it a Lamborghini pulling up to the red carpet or a millionaire’s grocery getter like the Mercedes-Benz G-Wagen, there is a certain type of vehicle (and associated price point) that goes with the world’s most famous actors, athletes, and celebrities. But Clint Eastwood is different from your typical celebrity. Famous for playing hard-nosed characters like Dirty Harry and The Man with No Name, Eastwood owns that persona off the big screen as well. While other stars opt for Lambos and Land Rovers, he opts for a certain GMC. And while the uninitiated may want to call this a stingy or low-rent move, they clearly know nothing of the GMC Typhoon. Despite being one of the biggest automakers in the world, General Motors occasionally takes some big chances in making cars that don’t fit into the normal mold. Vehicles like the HHR, SSR, El Camino, Grand National, and Saturn Sky all didn’t really fit into their time or place. In 1991 one of GMC’s most radical ventures started hitting dealerships. It may have looked at first like and ordinary Sonoma compact pickup, but the GMC Syclone was anything but. Keen eyes will notice the lower ride height, red lettering and more street-oriented tires. Looking inside, the bucket seats with red piping and raised center console tunnel might also hint to onlookers this was no ordinary truck. Open the hood and there’d be no question you were dealing with something special. The Syclone featured a turbocharged/intercooled 4.3-liter V6 making 280 horsepower and 350 lb-ft of torque. The turbocharger was sourced from Mitsubishi (which was in still actually making fun cars at the time) and the intercooler from Garret. Power was sent through a 4-speed automatic transmission to an all-wheel drive system with a Borg Warner transfer case. It would put 35% to the front wheels and 65% to the rear. In our modern horsepower wars, where cars are routinely making upwards of 600 and even 700 horsepower from the factory, 280 hp might seem meager, but in ’91, this thing was a world beater. It could do 0-60 mph in 5.3 seconds, and blast through a quarter mile in 14.1 seconds with a crossing speed of 93 mph (figures from Car and Driver’s original testing of the Syclone.). At the time, that was Ferrari and Lamborghini-quality speed, and faster than the Corvette of the day. In 1991, only 2,995 examples of the Syclone were produced, and they were only available in black. In 1992, some were sold in a wider array of colors, and that same year, the truck was joined by a heavily modified GMC Jimmy SUV, bearing the same powertrain. The GMC Typhoon was produced from 1992 to 1993, during which 4697 examples were built. Car and Driver also tested the Typhoon, and found it slightly slower, but still an impressive 5.7-second 0-60 time and a 14.5-second quarter mile time (crossing at 95 mph). Reviewers compared the ‘Phoon to cars like the Ferrari 348, Chevrolet Corvette, and Nissan 300ZX Turbo. This put it in rarified air, and caught the eye of many performance junkies. The Typhoon came with a starting price of $29,970, which is nearly $50,000 in 2015 dollars. And Clint owned multiple models. We know because we’ve seen him driving different colors of the Typhoon. For reference, here are the color breakdowns of the Typhoon: 1992 Black on black (1262 built), Black w/ gray (130), Frost White w/ Gray (518), Apple Red w/ Gray (345), Bright Teal w/ Gray (132), Forest Green Metallic w/ Gray (82), Aspen Blue w/ Gray (28), Radar Blue w/ Radar Blue (2), and Raspberry Metallic (2). Those last two were test colors, included in the totals. 1993 Black w/ Black (1,008), Black w/ Gray (98), Frost White w/ White (532*), Frost White w/ Gray (115), Apple Red w/ Apple Red (77), Apple Red w/ Gray (101), Forest Green Metallic w/ Gray (210), Garnet Red w/ Gray (24), Royal Blue Metallic w/ Gray (35*) Based on photos, we can tell, that he has owned one that was Red and grey, the other forest green and gray. What’s great is that he really drives these things. A 2012 Los Angeles Times article references the green one: "Son of a gun," the 82-year-old muttered as he leaned over his beloved 1992 GMC Typhoon and dragged an index finger over the mysterious inch-long scratch marring the forest-green paint just above the grill. You don’t get scratches like that keeping a rare care hidden away from the world in a storage facility. You get it out in the open, driving it often. We laud Jay Leno for taking his rare cars out on the open road, but he’s got more than 100 in his massive garage. He can take any of those cars out without sweating it. But to take out such a rare, high performance variant of a GMC Jimmy? That’s the type of car enthusiast we’d like to meet. We’d just ask he leave his .44 magnum at home. Want to know more about what makes these super-trucks and super-SUVs so great? Check out this Top Gear segment from when the Syclone was new, if only to see how young Jeremy Clarkson looks:
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I just bought a truck from a co-worker. I bought it knowing it had a busted engine. I was going to try and rebuild the engine because it only has 134k miles on it. It's a 97 Sonoma. So when i started it up, i got it up the hill in my driveway where i would be working on it. As soon as i got it up the hill it stalled out. now it starts for about 5 seconds and dies. I attached a video of what the engine sounds like. Should i find out what is causing the issue or should i just do an engine swap? sonomastart.wmv sonomastart.wmv sonomastart.wmv sonomastart.wmv
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I am having two issues with my 2000 GMC Sonoma 2.2L 2WD single cab pickup truck. It has the 4L60E transmission in it, which is what is causing issues. It currently about 146,000 miles on the truck itself, but has a rebuilt transmission in it with about 60,000 miles. The reason I replaced the transmission the first time was because it wouldn't shift out of first gear and there was a loud cranking, grinding sound. Reverse also wouldn't work. I first noticed issues with the original transmission during a 400-mile road trip across generally hilly terrain. I wasn't towing anything, nor was it loaded with much except a large suitcase and my wife and I. About midway through the trip (traveling 60-70 mph), what I believe was the TCC failed to engage. I'm a complete noob when it comes to transmissions and TCs, but research on the web led me to surmise the TCC was the issue. As I was in the fourth gear, the RPMs jumped up from 3k to 4k, with no change in the accelerator position. I was not at WOT. The tachometer would remain at the higher RPMs for about 30-60 minutes until it would randomly drop back down to the normal cruising rate. This cycle would repeat multiple times throughout the trip there and back. Not realizing there was a major issue (and being pretty broke), I didn't have my truck checked. About a month later, the transmission did the grinding, clanking sound and went caput. That's when my mechanic recommended a transmission replacement. That was about six months ago.Two weeks ago, I took a job that requires me to travel about 20 minutes on a 70 mph interstate to get to work and back. I also drive the entire time throughout my 8-hour work day. The temperature outside has been nice (70-75 degrees), and I'm never revving the motor past 3k RPM. So that's the history. Sorry for the lengthy explanation. I wanted all the facts in there. Here's the two problems I'm encountering. 1: Hard shift into second gear. The transmission jerks when it shifts into second gear, but it doesn't happen all the time. It seems to happen after I drive for a while, or travel at interstate speeds after cruising around town for a bit. The odd thing about this is that when I turn off the truck and let it sit for about five minutes, the problem disappears, and doesn't return for more than an hour or two. When it happens again, I just park, turn off for five minutes and continue on until the next time it begins shifting hard. 2: TCC disengaging again on interstate. This has only happened once and it was today. But I don't want to destroy another transmission waiting to figure out the issue. I was traveling home, and at about halfway through the trip of 20 miles, the RPMs jumped from 3k to 4k at a cruising speed of 68 mph. Again, there was no change in the accelerator and I wasn't running WOT. But I had driven the truck for about six hours straight (minus a stop here and there for restroom, lunch, etc.). When I got off the interstate, the hard shift into second was even more pronounced. I then pulled into the nearest parking lot, let the truck sit off for five minutes, and the problem vanished. Side note: The SES light came on about three weeks ago, stayed on for three days and went off. Earlier this week, the light came back on. I haven't checked the code yet. That's this weekend's task. I will update the post with the error code when I get it. Soooo... Anyone have a clue what's going on? I sure don't.
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My 02 sonoma is ticking louder now that the weather has became warmer in indiana. I currently have 5w 30 mobile one super high mialege oil in there +rislone engine cleaner. The ticking will disapear when I give it gas but if I just sit it will tick tick tick tick tick tick. The noise is driving me mad. I have heard that by adding atf transmission fluid in with the oil and running it for about 30 minutes then changing the oil that it would help break down any type of crap that may be on the valves. Has anyone ever solved this problem cheaply?
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My 02 sonoma was lowered by the previous owner and I have been searching everywhere on what I have to do to lift this thing back up, I cant get answers anywhere. I want to lift it back up to the height it was when it came out of the factory. I like the way my truck looks but the ride is a different story and is pretty much hell on wheels. I need to figure this out before I get sued by one of my passagers. The trucks rides like a log wagon in the west virginia moutains. please share your suggestions.
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From the album: 2002 GMC Sonoma SL EXT. Cab 2WD
Sonoma Left Close-up After New Alloys With New 235/75R15 Cooper Discoverer AT/3's. -
From the album: 2002 GMC Sonoma SL EXT. Cab 2WD
Sonoma Rear Before Larger Tires and Lift Kit. -
From the album: 2002 GMC Sonoma SL EXT. Cab 2WD
Sonoma Right Side Before Larger Tires and Lift Kit. -
From the album: 2002 GMC Sonoma SL EXT. Cab 2WD
Sonoma Right Side Before Larger Tires and Lift Kit. -
From the album: 2002 GMC Sonoma SL EXT. Cab 2WD
Sonoma Front Before Larger Tires and Lift Kit. -
From the album: 2002 GMC Sonoma SL EXT. Cab 2WD
Sonoma Left Side Before Larger Tires and Lift Kit. -
OK i have basically done everything on this girl. i have replaced the fuel fump and it did not fix the no start issue. keep in mind a shotgunned it without a test light or dvom. so replaced the pump and nothing. wont even prime. then replaced oil pressure swith. used a jumper wire and the pump primed. started for a week. went to start yesterday and no dice. have voltage and ground to pump connector. now when i use a jumper the pump wont even turn on. this is a 93 Sonoma with 4.3 fuel injected. please anybody. running out of things to try thanx derek
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I have a 4.3 vortec s10 and I recently took off the intake and took the throttle plate out to clean it. I am having troubles getting it to line back up when I put it back in. When the truck is off, it has no rub on the throttle body. But when I start the truck, it makes the gas pedal sticky and also makes the plate rub on the throttle body. I have tried repositioning it many times and also tried tightening the screws very tightly. It would be much appreciated if anyone could help me out since this is my daily driver and I don't want my throttle body all tore up. Thanks, Mike