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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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Replying to: 442dude (Apr 23, 2008 3:38 pm) New Clue: At slow speeds and just after starting it is noticeably misfiring but as soon as I shift into REVERSE, boy does it get worse!! Far, far noiser and much more vibration! Now I don't know if its relevant or not but one of the occasional drivers of the vehicle does have a habit of shifting from reverse to drive while still slightly in motion! (Yeah, I hate it. Don't think its a good thing to do. Don't know if its relevant to this problem though!). I wonder if the AutoZone giving the codes only for Cylinder 1 means that Cyliners 3 and 4, which also had compression of less than 100 when tested, are now improved? For various logistical reasons, I've not yet been able to get a tank of high-test into it yet, but will do so ASAP.
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Replying to: fleastiff (Apr 25, 2008 9:34 am) While shifting into drive while the car is still moving into reverse is typically not a good idea, I don't think that it caused this problem... It makes sense that reverse would amplify the problem as reverse is ofter a "higher" gear than 1st gear so the misfire would be more obvious. cylinders 3 & 4 have probably not improved but the car should still run acceptably even with compression numbers that are varied...
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Replying to: 442dude (Apr 23, 2008 3:38 pm)
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Replying to: ul00173 (Apr 25, 2008 7:39 pm) A sequined yellow top worn by a cute model; A Fuel Additive concentrate; A Fuel Injector Cleaner. I've figured out I should use the Fuel Injector Cleaner. Sure sounds like its going to be a cheaper solution to go to an auto parts store and buy the Techron stuff than to pay 4500 for a new engine. Thanks guys. I'll let y'all know what happens. In reading about that Techron Fuel Additive Concentrate, I saw mention of a claim that it also cleans the Fuel Sender. As I've had a wildly variable fuel guage for a long time, this product too might be a sensible thing to try as well. |
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Replying to: fleastiff (Apr 21, 2008 10:31 am)
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Replying to: ul00173 (Apr 25, 2008 7:39 pm) Thanks for all your help on this ... I sure prefer buying a double pack of STP Fuel Injector Treatment than paying 4500 for a new engine! |
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Replying to: louied87 (Apr 26, 2008 7:53 pm) |
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Keep adding the Techron for a few tankfulls....It eventually will clean the injectors. My 'Service Engine Soon' light is on almost all the time, and adding Techron will not necessarily make the light go off, but you should feel a smoother engine if it does the trick. I would ignore the dumb lights on this car. My 'Low Coolant' Light has been on for years, and my coolant is FULL. Go by the feel and common sense with this car....I have read that one must wait a few refills of the tank before the lights will get reset, "SES" light goes off....This happens in my car. I have also read in your thread that removing the ground battery terminal for 15 minutes will also reset the lights.....haven't tried this but it is worth a try....good luck....
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Replying to: ul00173 (Apr 27, 2008 6:36 pm) Does this make a difference? If ONE container of STP Injector Treatment in a tank of gas is good... would TWO containers in that tank of gas be better? Or would it be better to just use up the second STP container with the next tank of high test that I add? Someone told me that with all my "slow driving" around town and short trips to the grocery store, etc. I should take the Chevy out to the Freeway and "open her up" to 70mph for atleast five minutes. Should I be listening to stuff like that? And wouldn't ONE minute at 70mph be just as good as FIVE? |
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Replying to: 442dude (Apr 25, 2008 9:42 am) I'm using STP Fuel Injector Treatment (It was on the store's shelf, Techron was not). I put in only one container of it. It said 'Treats up to 21 gallons'. I added it after adding almost a full tank of hightest but I don't think my tank holds more than 23 gallons. Don't know if one container is good why two containers wouldn'b be better though.
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