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Chevy Venture Check Engine Light, Misfiring

91 messages,  Last post on Sep 30, 2010 at 12:14 PM

You are in the Chevy Venture Forum.

What is this discussion about? Chevrolet Venture, Van

Messages Page 2 of 10

#5 of 91 Re: 1999 Chevy Venture, a scary story [godster] by tattooedflesh

Jul 14, 2007 (7:19 am)

Replying to: godster (Apr 28, 2007 8:26 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

#6 of 91 Re: 1999 Chevy Venture, a scary story [tattooedflesh] by ul00173

Aug 02, 2007 (4:30 pm)

Replying to: tattooedflesh (Jul 14, 2007 7:19 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 91 Re: 1999 Chevy Venture, a scary story [demonfatcat] by writer

Sep 28, 2007 (11:40 pm)

Replying to: demonfatcat (Jun 29, 2007 3:01 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 91 venture cylinder #5 misfire by dinamobuc

Oct 02, 2007 (8:41 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 91 error code P0131 by zeke41

Jan 04, 2008 (7:54 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?

#11 of 91 Re: error code P0131 [zeke41] by 442dude

Jan 05, 2008 (8:57 pm)

Replying to: zeke41 (Jan 04, 2008 7:54 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 91 2000 Chevy Venture Misfiring and SES Light. by fleastiff

Apr 21, 2008 (11:31 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???

#13 of 91 Re: 2000 Chevy Venture Misfiring and SES Light. [fleastiff] by 442dude

Apr 21, 2008 (1:12 pm)

Replying to: fleastiff (Apr 21, 2008 11:31 am)
Random thoughts:
 
First of all - people who work at quick oil change places are not mechanics...let them change the oil and MAYBE replace your air filter...that's it...
 
How many miles on motor?
 
What were the codes that set the service engine soon light? The blinking ses light meant a severe misfire condition which can damage the cat converter...Need the other codes to help you further...misfire codes are not always a big deal...autozone will read them for free, then post them here...Is the light still on?
 
Any sign of coolant in engine oil????
 
How is it running now???

#14 of 91 Re: 2000 Chevy Venture Misfiring and SES Light. [442dude] by fleastiff

Apr 21, 2008 (2:15 pm)

Replying to: 442dude (Apr 21, 2008 1:12 pm)
>people who work at quick oil change places are not mechanics...
Yeah, their guy did a 'free battery check' without realizing their is a Remote Positive Terminal.
 
>How many miles on motor?
72,000 or so.
 
>What were the codes that set the service engine soon light?
I don't have a Secret Decoder Ring. Are the codes displayed somewhere? Mechanic didn't say nuttin' 'bout no codes.
>Is the light still on?
Only when the engine runs.
>Any sign of coolant in engine oil?
Not that I know of, but since quick lube placed did the oil change they probably wouldn't have even noticed.
>How is it running now???
Runs better than it did but it still misses on 1,3 and 4cylynders.
Mechanic still wants 4,500 for a new engine installation which I think is uncalled for when its not yet given up the ghost.

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