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Chevy Venture Check Engine Light, Misfiring

85 messages,  Last post on Apr 13, 2009 at 7:20 AM

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#3 of 85 Re: 1999 Chevy Venture, a scary story [godster] by sharkeym May 01, 2007 (6:17 am)
Replying to: godster (Apr 28, 2007 7:26 pm) No, the engine light came on a week or 2 after I had the repairs done to the van. The light comes off & on. Right now it has turned itself off. Replies to this message: demonfatcat (Jun 29, 2007 2:01 pm) writer (Sep 28, 2007 10:40 pm)
#4 of 85 Re: 1999 Chevy Venture, a scary story [sharkeym] by demonfatcat Jun 29, 2007 (2:01 pm)
Replying to: sharkeym (May 01, 2007 6:17 am) The check engine light (AKA service engine soon) light should not be ignored but as a rule of thumb always have it checked out ASAP. With the radiator repair, was the wiring harness properly re-installed meaning off of the top of the radiator and away from the fans??? I just had to have my Venture rewired because the harness clip that holds the wiring harness broke and the harness fell into the fan. It ran fine but no check engine light at all even at start up, I didn't realize this until I failed emissions inspection and there were several codes. Please at least take a look at the harness to see if it is supported properly. If not have it looked at but not a dealership. They wont "repair" a harness they will replace it at a quoted cost of $600.00 and up. Good luck. Replies to this message: writer (Sep 28, 2007 10:40 pm)
#5 of 85 Re: 1999 Chevy Venture, a scary story [godster] by tattooedflesh Jul 14, 2007 (6:19 am)
Replying to: godster (Apr 28, 2007 7:26 pm) hey this sound like my van..... after i bought mine like 3 weeks after i had it the check engine light would come on stay on for about a couple hours the i noticed it really didn't have lots of power and when i give it gas it would act like it was bout to shut off so i brung it into my job we scan'd it for the fault codes and it came back as a dirty air filter.... got a new one and it still did the same thing so i did a re scan and it come back with the fault for a cyl misfire . ggrrrrrrrrrr .... then i sent it to team in vallejo come to find out it was a fuc*ing mass air flow sensor and now it runs like new after 500.00 . ************************* but ***************************** The check engine light will come on for the smallest things also.. as per:   Dirty Air filter Loose Gas Cap Low Coolant Low Oil ........................   i hope this was helpful for you Replies to this message: ul00173 (Aug 02, 2007 3:30 pm)
#6 of 85 Re: 1999 Chevy Venture, a scary story [tattooedflesh] by ul00173 Aug 02, 2007 (3:30 pm)
Replying to: tattooedflesh (Jul 14, 2007 6:19 am) We have had this issue in 1999 Chevy Venture for about last 4 years. Fuel injectors are our problem. When the light comes on, we add a fuel additive for about $10 that cleans the injectors. Wait a few gas tanks and the light will go out. Sometimes if very badly gunked up injectors, we will add two bottles of additive....This is all a whole lot cheaper than the fuel injector cleaning we did the first time for about $200......hope this helps you..
#7 of 85 Re: 1999 Chevy Venture, a scary story [demonfatcat] by writer Sep 28, 2007 (10:40 pm)
Replying to: demonfatcat (Jun 29, 2007 2:01 pm) As time goes on I am starting to believe that it is not worth trying to save money by avoiding dealership service and repairs. Modern vehicles are getting too complicated for general repairmen to keep up with all the brands. And if you have to sue the manufacturer it is probably easier if a dealer did all the work.
#9 of 85 venture cylinder #5 misfire by dinamobuc Oct 02, 2007 (7:41 pm)
Hi, guys. I'm new here but I'm hoping someone will help me with my Venture '98. It all started about a month ago with a P0302 and a camshaft sensor fault codes.The van was running rough and barely stayed alive at idle. Long story short, I fought with it and replaced the CS sensor and spark plugs and wires.It ran fine for about 3 weeks until last week when it started with this Cylinder no. 5 misfire code.It is running like on 5 cyl. instead of 6, no backfire though.When I had the cyl. 2 misfire , just changing the spark plug seemed to make the difference.Unfortunately I would have to rotate the engine again to get to no.5.I remember I really made sure all plugs and wires on the back side were fitted perfectly, knowing that it would be tough getting to them again. Today I checked the air filter and it was not blocked or dirty; also did a vacuum test and came up with perfect results, which is kind of weird considering how rough it's running... Anybody have any ideas where I should go from here? Thanks in advance for any help...
#10 of 85 error code P0131 by zeke41 Jan 04, 2008 (6:54 pm)
Wife hit a curb...Check Engine Light came on...I rechecked the O2 sensors (just replaced within 5 mos) and mechanic checked O2 and said it was fine...They think it is ECM/PCM. Any thoughts or am I out $500 when I have to go get an emissions test to replace? Replies to this message: 442dude (Jan 05, 2008 7:57 pm)
#11 of 85 Re: error code P0131 [zeke41] by 442dude Jan 05, 2008 (7:57 pm)
Replying to: zeke41 (Jan 04, 2008 6:54 pm) Try this if you haven't already - disconnect the negative Terminal on the battery for about 15 minutes & reconnect (resets the check engine light) see what happens. Strange things happen when you hit things...but hitting a curb shouldn't knock out your PCM...
#12 of 85 2000 Chevy Venture Misfiring and SES Light. by fleastiff Apr 21, 2008 (10:31 am)
2000 Chevy Venture. Suddenly the ServiceEngineSoon light started flashing and engine was running rough, particularly at slow speeds where the light would stay steady-on rather than flash and engine would almost 'die' at a stop light but ran reliably at freeway speeds with no indication of overheating or smoking at all.   Added a few gallons of higher quality gasoline and drove to a quick oil change place where the mechanic broke the positive battery post because he refused to use the Remote Positive Terminal for the battery check. Engine would not start and car was towed to mechanic who replaced wiring and replaced spark plugs which had been in bad shape and had very wide gaps.   Now cylynders 1 3 4 each misfire and have less than 100 lbs compression, all others have 150 compression. Runs much better but mechanic thinks there was recent overheating and I need a new engine. I'm not doing the 'new engine' when its running well even if it misfires alot. Temperature guage had not indicated overheating when this started, though I had added a cup or so of Prestone coolant a few weeks earlier when I noticed the plastic chamber was empty.   Anyone have any ideas as to what is wrong with it? And what I should do??? Replies to this message: 442dude (Apr 21, 2008 12:12 pm) fleastiff (Apr 21, 2008 1:15 pm) 442dude (Apr 21, 2008 4:56 pm) and 31 more... louied87 (Apr 26, 2008 7:53 pm) 442dude (Apr 27, 2008 3:22 pm)

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