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Chevy S10 - GMC S15 and Sonoma Care & Maintenance

356 messages,  Last post on Dec 12, 2007 at 12:33 AM

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#295 of 356 1994 gmc sonoma no start by borob1 May 14, 2006 (4:47 pm)
I checked fuel pressure and it is 40-41 /Now the truck has started perfect for 5 days /today sunday 5/14 /06 it didnt start again unless you barely push on the gas as soon as you let off gas it stalls thanks bob
#296 of 356 93 Sonoma-Digital Dash by twellman Jun 19, 2006 (8:43 pm)
I just picked up a 93 sonoma w/4.3 V6. The digital dash doesn't seem to work. The warning lights work, but the tach, speedo, oil pressure, gas gage don't. Checked fuses, they're OK. Where to look?
#297 of 356 2001 S10 error codes by kydansr Jun 27, 2006 (9:31 am)
I recently bought the 2001 S10 with 106K miles. the service engine light is now on and the two error codes show secondary air injection system failure and manufacturer controlled transmission failure are either one of these items something i can fix myself since I enjoy doing my own repairs when possible?
#298 of 356 Sonoma Check Engine Light....Help! by cnylizzy Oct 13, 2006 (11:09 am)
My inspection is past due and the only reason I can think of that it wouldn't pass is my check engine light is on. It's always on! I got a letter from GMC saying that I "may experience illumination of the (check engine light)...this may be due to pieces of the inner liner of the front exhaust pipe breaking up and tumbling into the catalytic converter..." I already tried disconnecting the battery for a few minutes to reset it all and that damn light was the first thing that was on when I started it back up and it stayed on. It was extremely frustrating because it was the second inspection appointment I've had to cancel. Do I really need to invest $200 in a new catalytic converter just to get my check engine light to shut off so I can pass inspection?!? Replies to this message: hoodlatch (Oct 13, 2006 1:11 pm) cnylizzy (Oct 13, 2006 9:37 pm)
#299 of 356 Re: Sonoma Check Engine Light....Help! [cnylizzy] by hoodlatch Oct 13, 2006 (1:11 pm)
Replying to: cnylizzy (Oct 13, 2006 11:09 am) Dear Frustrated,   From what you described, are you sure its your cat that is causing the light to stay on? If you don't have a code reader you can take it to most part stores and they will read it for free. They won't clear it but they can read it and give you a better indication of whats going on. Keep in mind that some times the code isn't exact, its just a starter in that direction.   In order to clear the code you can use the technique you outlined or clear it with a code reader. However, before you can clear the code you first have to remedy the reason the code came up to start with.   Talk about frustration, I had to install a cat on my S-10 to get it to pass inspection. I used aftermarket and made it fit. I made new flanges and brackets and it all looked purdy when I was done. I was happy and patted myself on the back. One of the new brackets I made I mounted it to the bottom of the cab (bad move). It set up a vibration of which I miss-diagnosed as a bad transmission. After I dropped the tranny, had it overhauled, and re installed I discovered that wasn't my problem, it was the bracket mounted to the bottom of the cab.   That wasn't the dumbest thing I have ever done but I won't forget it for awhile. Sometimes you just got to have a since of humor.   Good luck Replies to this message: cnylizzy (Oct 13, 2006 9:37 pm)
#300 of 356 Re: Sonoma Check Engine Light....Help! [hoodlatch] by cnylizzy Oct 13, 2006 (9:37 pm)
Replying to: hoodlatch (Oct 13, 2006 1:11 pm) Thanks for the feedback. I will definitely get it scanned to see what it says. I guess I just kind of assumed since I had that letter that the catalytic converter was the problem. Silly me! I think the last time I had it scanned two years ago it said something about a hose - so it might just be a cracked hose and a matter of figuring out which one. Should be a nice Sunday treasure hunt! Thanks again
#301 of 356 Re: speedometer problem [newfiebuddy] by goodgod Oct 17, 2006 (8:32 am)
Replying to: newfiebuddy (Sep 18, 2005 3:53 pm) I replaced mine when the speedo quit working and it gave me code 24 (VSS). It still didn't work afterwards due to the wires from the sensor that go over the top of the tranny being burnt. I had to feel mine by hand, replace them, then it was fine. Good luck Replies to this message: countryboy3 (Oct 18, 2006 8:34 am)
#302 of 356 Re: speedometer problem by countryboy3 Oct 18, 2006 (8:34 am)
Replying to: goodgod (Oct 17, 2006 8:32 am) well u may need a new speedometer or it could be a wire or a fuse
#303 of 356 Re: catalytic converter replacement sonoma 1996 by robmendrop Oct 21, 2006 (10:26 pm)
Replying to: borob1 (May 12, 2006 7:12 am) I need to replace converter but it is welded on. Can I cut the old one off and use clamps to put the new on. Where do you purchase clamps? Replies to this message: hoodlatch (Oct 22, 2006 4:29 pm)
#304 of 356 Re: catalytic converter replacement sonoma 1996 [robmendrop] by hoodlatch Oct 22, 2006 (4:29 pm)
Replying to: robmendrop (Oct 21, 2006 10:26 pm) You can find clamps just about anywhere, they're common. At first I replaced mine as you described. Later when I needed to drop the exhaust system I cut just aft of the converter. Then going back I welded new flanges in as to make it easier the next time I need to remove something. Some aftermarket cat converters have a slip joint on one end and a flange on the other.

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