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Vans & Minivans Chevy Venture Chevy Venture Check Engine Light, Misfiring
85 messages, Last post on Apr 13, 2009 at 7:20 AM
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ok my husband wrote on here before about misfiring and codes.. he checked all the spark plugs got the transnmission cleaner stuff.. and its still misfiring.,.. my friend cleared the code for me and it came up with a 742 code... does anyone know what that is? it seems to misfire off and on every few weeks runs like its gonna die when you are going between 0-55 mph... once you get above that it stops but the service engine light soon is still on..... any ideas would be great! i love my van just need it to run right? TrinaK
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Replying to: trinak (Jun 24, 2008 2:08 pm) p0742 - tcc (transmission converter clutch) solenoid stuck on, Good luck.
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Replying to: fleastiff (Jun 24, 2008 2:17 pm) could that be all thats making it misfire and turn on the service engine light soon?
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Replying to: trinak (Jun 24, 2008 6:53 pm) Well, I tried to find a more specific thread in which to respond to this question, but couldn't so I'll respond to it here and then perhaps if there is any further discussion someone can find a more relevant thread where this problem can be discussed and perhaps already has been discussed: Possibilities: Failure of the Torque Converter Clutch (TCC) Solenoid, the 2-3 Shift Solenoid and the Transmission Valve Body. If its the TCC solenoid then it will be 85.00 for parts and probably 300.00 for labor. Transmission Valve Body would be a bit less for parts but a good bit more in labor. Good luck to you.
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Replying to: millwright91 (Jun 23, 2008 5:27 am) |
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Replying to: fleastiff (Jun 25, 2008 3:03 am) is there a way to get to not to be stuck on?
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Replying to: trinak (Jun 25, 2008 11:00 am) I'd start with the fusebox and make certain 5, 11 and relay31 are fine. Look up the diagram to confirm which ones are TCC related incase its 33 rather than 31. If this is normally a 300.00 in labor job, I would hazard a guess that the tcc solenoid is not all that accessible. I've heard that a faulty tcc can cause damage from excessively hard shifting due to clutch slippage being detected by the pcm. With the high potential for transmission damage if driven like this for long, some shops may be unwilling to just install a new solenoid and then have to face potential complaints. So act promptly if possible. I really do NOT know much about this and you should find another thread that deals specifically with transmission shifting on a Chevy Venture or atleast someone who knows what he is talking about.
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Replying to: fleastiff (Jun 25, 2008 2:04 pm) If you're a gambling type, try this before you pay to have the solenoids replaced: Put in 1/2 a bottle of Lucas "transmission fix" and wait 2 weeks....I did it to mine and the harsh shifts went away...if you've never changed your trans fluid, change it and the filter first and wait 2 weeks...if that doesn't help, then try the Lucas stuff...mine was shifting harshly (most likely due to the PCS being bad) and my mechanic suggested a rebuild to the tune of $3000.00...I put in 1/2 a bottle of Lucas about 30,000 miles ago and haven't had a problem since...I don't know what made me even try it, I don't know why it worked, I don't even have a clue what's in it but for 10 bucks it might be worth a try...I'm not a mechanic unless there's a shade tree around and I've never done any transmission work other than changing fluid and filter... It got worse for about a week and then went away, never had a problem since...Our Venture is now at about 92,000 miles now...Who knows? Good Luck, John 
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Replying to: fleastiff (May 29, 2008 3:36 am) WHAT NOW??? Can fuel injectors be manually cleaned rather than chemically cleaned? Can fuel injectors be replaced or repaired? What sort of a task is it? How much would it tend to be? I just don't see that "umpteenth" bottle of Fuel Injector Treatment as being likely to work. I've tried half a dozen or more bottles of the stuff already. Wiling to try more ofcourse but at some point it just has to be acknowledged that hi-test gasoline and fuel injector cleaner additives are NOT going to cure the problem. What now???
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Replying to: fleastiff (Jun 30, 2008 1:27 am) Can fuel injectors be manually cleaned rather than chemically cleaned? Typically, if you're going through the trouble of pulling them out, its more cost effective to just change them... Can fuel injectors be replaced or repaired? Replaced, Yes...repaired, unlikely. What sort of a task is it? How much would it tend to be? I'm not sure of price as I've never had to mess with them...you have to remove the fuel rails to take the injectors out, I don't remember what else you have to remove to get to them.
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