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Old 10-16-2009, 02:09 PM   #1
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The End Of My Sonoma?

ok, so today i was cruising down the road in my 2.2l 99 sonoma. its spuddered once, then twice, then just started shaking horribly. then i stopped at a gas station where a flashing ses light came up. called my buddy for a trailer and when he got there it wouldnt start. i checked the codes and they said cylynder 1 missfire, (also pending), air intake temp, and finaly injector circuit. anyone know what my problem is? anything would be great here guys!
Old 10-16-2009, 02:13 PM   #2
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Re: The End Of My Sonoma?

that sucks, well considering that most people on here that get missfire codes it usally ends up being a bad injector or the ecu sometimes and you got codes for a missfire and the injector circuit, its most likely fixable you just need to figure out if its just an an injector or 2 or your ecm or maybe even the crank sensor causing the problem. but sounds totally fixable
Old 10-16-2009, 02:15 PM   #3
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Re: The End Of My Sonoma?

could also be a bad coil pack if it is missfiring
Old 10-16-2009, 02:17 PM   #4
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Re: The End Of My Sonoma?

that an awsome thing to hear.
Old 10-16-2009, 02:18 PM   #5
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Re: The End Of My Sonoma?

true a bad coil pack would cause misfires but wouldn't explain the injector circuit code coming up
Old 10-16-2009, 02:18 PM   #6
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Re: The End Of My Sonoma?

dude, coils are new a month ago
Old 10-16-2009, 02:20 PM   #7
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Re: The End Of My Sonoma?

does the truck run at all? or does it just crank? if it runs and you wanna see if its the injector, i would run some seafoam throw the booster line to see if that cleans anything out
Old 10-16-2009, 02:21 PM   #8
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Re: The End Of My Sonoma?

ran sea foam like 3 weeks ago. and no it doesnt run, just cranks
Old 10-16-2009, 02:23 PM   #9
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Re: The End Of My Sonoma?

hmm. you try spraying some starter fluid through the throttle body?
Old 10-16-2009, 02:24 PM   #10
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Re: The End Of My Sonoma?

no not yet. i didnt have any on me. so i said screw it. ill have it trailered
Old 10-16-2009, 02:25 PM   #11
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Re: The End Of My Sonoma?

but when i crank it over, i smell gas very strong! but its not goign out ont he ground
Old 10-16-2009, 02:25 PM   #12
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Re: The End Of My Sonoma?

yea i would go with the injectors. on a side note, can you hear the pump prime at all?
Old 10-16-2009, 02:25 PM   #13
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Re: The End Of My Sonoma?

yea, i hear it hum
Old 10-16-2009, 02:27 PM   #14
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Re: The End Of My Sonoma?

thats good, bc they are expensive as hell on these trucks
Old 10-16-2009, 02:28 PM   #15
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Re: The End Of My Sonoma?

oh i know. lol so ill look into the injectors. but how do i test them if i cant get the thing to run? spray starting fluid in it and if it turns over then its an injector?
Old 10-16-2009, 02:43 PM   #16
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Re: The End Of My Sonoma?

well the main reason i bet why it wont start right now is because its flooded, if your smelling fuel like crazy but there is no fuel leak its from flooding the engine.

depending on how many times you tried to start it it could take anywhere from 10-30+ min for the fuel to evaporate enough for the engine to even try to start up.
Old 10-16-2009, 02:44 PM   #17
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Re: The End Of My Sonoma?

he should be good if he got it trailored home and its still on the trailor
Old 10-16-2009, 02:56 PM   #18
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Re: The End Of My Sonoma?

i got it home and it sat for an hour or so. long enough for me to run into the local town and pick up a couple bags of feed. and also pick up my new code reader. and it still wont start
Old 10-16-2009, 02:59 PM   #19
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Re: The End Of My Sonoma?

is it just cranking and not turning over? or is nothing happening
Old 10-16-2009, 03:09 PM   #20
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Re: The End Of My Sonoma?

yeah thats plenty of time to clean out, does it still smell like gas after you try to start it a few times?

try pulling the plugs to see if any of them are getting really excessive amounts of fuel on them
Old 10-16-2009, 03:10 PM   #21
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Re: The End Of My Sonoma?

just cranks. and idk about the gas smell now. ill have to check iy
Old 10-16-2009, 06:05 PM   #22
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Re: The End Of My Sonoma?

Do you have a crank position sensor signal? if your crank sensor doesnt work you wont have fire and and no fire no start. start there.
Old 10-16-2009, 06:30 PM   #23
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Re: The End Of My Sonoma?

someone correct me if i'm wrong but the crank sensor controls both the injectors and the ignition firing, you wouldn't get gas or a spark if it wasn't working i think

i'm leaning twords it being a stuck injector flooding the engine or the ecm malfunctioning imo
Old 10-16-2009, 09:39 PM   #24
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Re: The End Of My Sonoma?

The fuel injector circuit code would lead me to believe that it is a shorted injector causing this issue.
Old 10-16-2009, 10:33 PM   #25
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Re: The End Of My Sonoma?

wow, you guys are loads of help i apriciate it, but nowi need to know how i should go about fixing this?
Old 10-16-2009, 10:35 PM   #26
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Re: The End Of My Sonoma?

Quote: Originally Posted by dmax
someone correct me if i'm wrong but the crank sensor controls both the injectors and the ignition firing, you wouldn't get gas or a spark if it wasn't working i think

i'm leaning twords it being a stuck injector flooding the engine or the ecm malfunctioning imo
correct
Old 10-16-2009, 10:45 PM   #27
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Re: The End Of My Sonoma?

my 03 s10 did the same thing..i had just made a 95 mile one way trip (190 round trip) when she died 2 MILES FROM HOME....turned out that one of the coil wires on the coil pack found its way loose..i only noticed it when my neighbor had me crank it at night when he got home, and i saw arcing near the coil pack on the passenger side..plugged the b*tch it and it fired right up


just a thought.....
Old 10-16-2009, 10:59 PM   #28
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Re: The End Of My Sonoma?

My 98 s-10 did that and i never did find the problem! Ended up finding a good deal on a low miles motor and just swaped it out..
Old 10-17-2009, 03:36 PM   #29
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Re: The End Of My Sonoma?

How are you spark plug wires?
Old 10-18-2009, 05:29 PM   #30
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Re: The End Of My Sonoma?

ok, new info. cylinder 1 missfire code, and plug is soaked with fuel. doesnt throw any other missfire codes, but cyl 2 is also soaked. 3 and 4 are quite clean and fine looking. i found oil dripping down from somewhere, but i can tell where. its on the from where the driverside lower a arm connects. i got it to start and it deff sounds like its running on 2 cylinders, and it shakes and jumps. blowing white smoke that reaks of unburnt gas. any ideas now?
Old 10-18-2009, 05:49 PM   #31
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Re: The End Of My Sonoma?

I'm new to the S10, so bare with me, i'm a honda guy haha. i just picked one up, and the exact same thing happened to me. First thing i check was my coil pack and noticed it wasn't firing. Replaced that .. and it fired right up and runs like a dream. i also cleared the codes, and one was a misfire, and the other was something with fuel. Cant remember the code.
Old 10-18-2009, 10:54 PM   #32
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Re: The End Of My Sonoma?

Quote: Originally Posted by Neuterbigwilly
ok, new info. cylinder 1 missfire code, and plug is soaked with fuel. doesnt throw any other missfire codes, but cyl 2 is also soaked. 3 and 4 are quite clean and fine looking. i found oil dripping down from somewhere, but i can tell where. its on the from where the driverside lower a arm connects. i got it to start and it deff sounds like its running on 2 cylinders, and it shakes and jumps. blowing white smoke that reaks of unburnt gas. any ideas now?

white smoke is not good man, check your coolant while its running, pull the cap off the radiator and if the coolant is bubbling or spurting out while its running and/or you can smell exhaust/fuel in it you have a blown head gasket, it very common on these motors and the white smoke says its burning coolant
Old 10-18-2009, 11:02 PM   #33
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Re: The End Of My Sonoma?

could a injector or two
Old 10-19-2009, 11:25 AM   #34
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Re: The End Of My Sonoma?

ok, so i have to check to see if there is gas in my coolant? how would i fix a head gasket problem? i know replace it, but how. anyone knwo if there is a tut or sticky on this? but needless to say, if you search my posts on here, i have nothing but problems with this truck, so if anyone wants a decent truck that needs some work, pm me. its going away very soon. unless its as easy as a coil pack. lol
Old 10-20-2009, 11:26 AM   #35
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Re: The End Of My Sonoma?

anyone?
Old 10-20-2009, 11:41 AM   #36
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Re: The End Of My Sonoma?

a head gasket is a lot of work, if youre good with cars and know what you are doing then its not too bad, but i wouldnt do it if you dont know that much about mechanics.
Old 10-20-2009, 02:39 PM   #37
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Re: The End Of My Sonoma?

i know abit. but without know what i need to do im not sure if im capable. (and no, im not one of the guys who trys stuff that i know is way over my head!) if i even condsider the possibility that i might f up, i dont even remotly try. lol but i do most of my own work. so how do i fix it?
Old 10-20-2009, 03:28 PM   #38
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Re: The End Of My Sonoma?

i did the head gasket on mine about a month ago, its not that hard just time consuming and can get expensive

you will need to remove the whole top of the motor, intake, radiator shroud, clutch fan, front accessory bracket, put the ac compressor and power steering pump aside in the engine bay out of the way, no need to disconnect them completely, then you need to take off the exhaust manifold, i never had to remove mine completely because the studs came out with the nuts, the intake manifold is best left on the head its real hard to get to all the bolts for it but you will need to disconnect the fuel rail lines front and back as well as some wiring harnesses that are bolted to the intake manifold and under it.


once it's off you need to take the head to a machine shop so they can check it for cracks and warpage its likely going to be warped and they will have to resurface the head, then put it back together with new gaskets and change the oil to make sure no coolant got into it when you took the head off the motor, also make sure to drain as much coolant out as you can before taking off the head to reduce the amount of water that will come out of it when its removed, pulling the water pump off gets most of it out of the head
Old 10-21-2009, 10:15 AM   #39
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Re: The End Of My Sonoma?

OK> THANKS! the truck is forsale. lol im not doing all of that for a truck thats not worth all that money! $1000, new alt, bondo cab corners, covered in rhino liner under the trim line, rear 2'' lift shackles. moog 5664's ready to go in, new tps, 02 sensors, front tires are less than a year old, like 15k onthem, they are 80-85k mile tires, rhino lined bed, seats in good condition, any other questions just ask. ive done alot of work on this truck. so far i have 1 offer to trade a 2000, polaris indy 550 supersport. books for 1500 average on nada.com

http://www.nadaguides.com/default.as...P&gc=MC&gtc=SM

deal or no, and offers are welcome
Old 10-21-2009, 10:17 AM   #40
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Re: The End Of My Sonoma?

also if anyone has any idea how to fix this, by all means give me a shout. if i can fix it easily, or at least worth it, ill fix it and sell it.
Old 10-21-2009, 05:57 PM   #41
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Re: The End Of My Sonoma?

if you junk it, i want the front end lol
Old 10-21-2009, 08:40 PM   #42
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Re: The End Of My Sonoma?

Hey Willy
Where you live?
Pete
Old 10-23-2009, 03:52 PM   #43
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Re: The End Of My Sonoma?

central ny.
Old 10-25-2009, 09:02 PM   #44
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Re: The End Of My Sonoma?

anyone have any ideas? ive been looking at it for days. no ideas
Old 10-29-2009, 03:12 PM   #45
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Re: The End Of My Sonoma?

ok, new develpoments, i checked all the wires, they are pretine. it will run, but sounds like on 2 cylinders. cyl 1 and 2 are still soaked with fuel! 3 and 4 are great. smake went away for the most part, and it has absolutly NO power at all. i couldnt even get it to move un the lip into my garage in reerse. its only 1/2 an inch. had to push it! the coolant smells like coolant, lol no gas, and it doesnt bubble. oil smells like gas though. tranny smells and looks great. still throughing a cyl 1 missfire though! help!
Old 10-30-2009, 12:33 AM   #46
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Re: The End Of My Sonoma?

ok, no one here has any answers, i trailered it to a mechanic. **** it. if its fixable good, if not then idgas! im sick of this thing anyway, im going ford in the spring!
Old 10-30-2009, 01:51 PM   #47
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Re: The End Of My Sonoma?

i had a misfire on #2 years ago changed the plugs and wires problem solved... but the shaking sounds like a fuel issue, if someone has already said this sry I haven't read any other posts
Old 10-31-2009, 03:39 PM   #48
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Re: The End Of My Sonoma?

thanks, but yea, its to a mechanic now. thanks guys
Old 11-02-2009, 03:21 PM   #49
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Re: The End Of My Sonoma?

Ha ha...that sucks, i know my truck has been getting shitty gas mileage. Due to the mere fact that i definitely need new injectors. Engine idle is a lil rough especially in drive..In neutral its fine..Almost Everything has been replaced with OEM parts so far for now...soon to be rebuild the block and with massive performace add ons.. Just bought new Borg warner fuel injectors and will be putting them in soon. Funny thing is im very sure its my fuel injectors, but havent given me any SES light yet...knock on wood!
Old 11-03-2009, 01:10 PM   #50
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Re: The End Of My Sonoma?

alright, just heard from my mechanic! bad news. he told me to replace the logic module on my own and if that doesnt fix it to buy a diff truck. cyl 1 and 2 and just randomly miss firing when ever they want all the time. he said that 1 and 2 are both into the 2,000's of miss fires. he says that unless its the logic module, its trash!



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