Article Comments: 2007 Chevy Silverado Full Test

34 messages, Last post on Sep 22, 2007 at 8:55 AM

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What is this discussion about? Chevrolet Silverado 1500, Truck

Article comments for Full Test: 2007 Chevrolet Silverado - With its much improved interior, refined ride quality, strong engine and long list of available features, the Chevrolet Silverado is a full-size truck with few faults.(more)

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#25 of 34 Re: Reduced power light 2007 Silverado by trishn Sep 18, 2007 (6:43 pm)
Yes, the problem is resolved. The first mechanic I talked to said he thought rats may have gnawed away at some wiring! Really. :o) You know how it is better to crash with a full tank of gas versus a partially full tank? Reason being that the fumes cause the explosion with a partially full tank. It's a sort of compression. When my gas cap was not sealing properly, this caused a leak of sorts (fumes released) in the gas tank. My engine was not getting the gasoline it needed to run properly. I had the same experience you did....starts...then stalls. After taking off the gas cap, then putting it on properly, I let the truck sit overnight. In the morning, it started with no problem, and has never happened again. I make it a point to screw the cap on right, each time I get gas. Replies to this message: mich7 (Sep 18, 2007 10:37 pm) jacktheblack1 (Sep 20, 2007 4:59 pm)
#26 of 34 Re: reduced power light 2007 Silverado dies [jacktheblack1] by mich7 Sep 18, 2007 (10:33 pm)
Replying to: jacktheblack1 (Sep 18, 2007 5:16 pm) Not yet, has been in the shop since July 24th--paying for a truck I don't have. You might try what Trish suggests. I'm a little leery to drive it though since I nearly went off an embankment with it when the brakes and the steering failed. An engineer from HO has been out, can't find the problem but knows there is one because Onstar found it 3 times. Onstar identified it as a default with the throttle box so that was replaced. Happened again and GM replaced the computer, the next time it happened they replaced the harness and now have done that again. It has been mysteriously quiet on the GM side. We were told we'd get a replacement truck. A couple of days later they had changed their story based on "new information". What are they telling you?
#27 of 34 Re: Reduced power light 2007 Silverado [trishn] by mich7 Sep 18, 2007 (10:37 pm)
Replying to: trishn (Sep 18, 2007 6:43 pm) Thanks Trish, If I get it back I will definitely check the gas cap! What a lark that would be after 3 months of agony--maybe they'll recall the gas caps. Replies to this message: jacktheblack1 (Sep 20, 2007 4:59 pm)
#28 of 34 Re: Reduced Engine Power light [trishn] by jacktheblack1 Sep 19, 2007 (5:21 pm)
Replying to: trishn (Feb 25, 2007 2:16 pm) Did you get an answer? Need an answer why the reduced power light comes on and my 2007 Silverado dies. It then starts one min later runs for 2-3 the turns off again. Just keeps repeating this. Chevy scratching their heads. Truck has 600 miles been in the shop for a week. The dealer just ordered a new ECM for my truck waiting to see if this fixes the problem. Replies to this message: mich7 (Sep 19, 2007 7:48 pm) jacktheblack1 (Sep 20, 2007 4:58 pm) 1offroader (Sep 20, 2007 8:01 pm)
#29 of 34 Re: Reduced Engine Power light [jacktheblack1] by mich7 Sep 19, 2007 (7:48 pm)
Replying to: jacktheblack1 (Sep 19, 2007 5:21 pm) Sorry, no answer from GM as to what the problem is--it is the same as yours although our truck hasn't always started up right away. They are scratching their heads with mine as well. So,GM has no idea what is wrong with it. They are guessing and have admitted as much. But, they aren't willing to replace the truck. Instead, they want me to take it back after they have run it through 1000 kms--to see if they can replicate the problem, of which they never have been able to do. And considering I live in area built on hills, I'm not willing to take back this obvious saftety risk. What if it stalls while pulling out onto our busy highway or dies while driving through a mountain pass with cliffs or rock walls to land in/on? I don't know where you are but you need to call GM customer service to issue a complaint and ask to go directly to the Management Team because it's an issue beyond the normal customer service stuff. If you live in the States there are Lemon Laws to help you out--do a Google search. In Canada there is the Canadian Motor Vehicle Arbitration Plan--it's free but only applies to personally owned vehicles--in other words, no company vehicles qualify. If it's a company car talk to them anyway and they'll steer you in the right direction. (no punn intended.) Whats an ECM? Computer? It didn't work for my truck. Let me know how things are going and I'll keep you updated on this end. Good luck. Replies to this message: jacktheblack1 (Sep 20, 2007 4:58 pm) 1offroader (Sep 20, 2007 8:01 pm)
#30 of 34 Re: Reduced Engine Power light [mich7] by jacktheblack1 Sep 20, 2007 (4:58 pm)
Replying to: mich7 (Sep 19, 2007 7:48 pm) Chey replaced two modules one for fuel injectors part FPCM(SPO 025854536) and ECM (SPO 012597121) and my Silverado is running fine. Just picked it up. I think my dealer found the prob and fixed it. Hope this info helps!
#31 of 34 Re: Reduced power light 2007 Silverado [mich7] by jacktheblack1 Sep 20, 2007 (4:59 pm)
Replying to: mich7 (Sep 18, 2007 10:37 pm) Chey replaced two modules one for fuel injectors part FPCM(SPO 025854536) and ECM (SPO 012597121) and my Silverado is running fine. Just picked it up. I think my dealer found the prob and fixed it.
#32 of 34 Re: Reduced Engine Power light [mich7] by 1offroader Sep 20, 2007 (8:01 pm)
Replying to: mich7 (Sep 19, 2007 7:48 pm) ECM = electronic control module. Yes, it's a computer "brain" that operates the engine, etc. Every modern car has one. 1offroader
#33 of 34 Re: Reduced Engine Power light [trishn] by jacktheblack1 Sep 21, 2007 (1:09 pm)
Replying to: trishn (Feb 25, 2007 2:16 pm) You have to chg both because they ECM shorts the other module. Chey replaced two modules one for fuel injectors part FPCM(SPO 025854536) and ECM (SPO 012597121) and my Silverado is running fine. Just picked it up. I think my dealer found the prob and fixed it. Hope this info helps!
#34 of 34 Re: Reduced Engine Power Light by trishn Sep 22, 2007 (8:55 am)
Excellent! So glad you're up and running. Thank you for sharing this information. I am keeping this info in my owner's manual, and am in hopes I never need to use it. Trish