Stumbling on acceleration

I just bought a C5 6 speed and noticed that when I start to accelerate from a complete stop or accelerate in a higher gear the engine will stumble then begins to accelerate. There is no codes showing.
I've read some other threads of this problem but none seem to explain anything in detail other than it could be fuel, electrical, air....
View complete forum thread


Related threads

Stumble on acceleration, No bottom end?

The problem: -Stumble on acceleration, no matter what engine/air temperature. -No power, until about 2500 RPM -Shitty idle My thoughts: -Has Bosch Platinums installed -? Solution: -?WTF? Help: -Please?

New to Forums, E34 stumbles on acceleration

... the weather sucks. Changed all the plugs and the air filter. The car runs fine but stumbles on acceleration....especialy more noticeable when its ... bad boys with a tester? Or do I have a vacuum leak that causes this stumbling? Heh I also cannot figure out what the A / M switch near the ...

Rough idle/ stumbles on acceleration

My 2000 has started idling a little rough and sort of stumbles on acceleration right between 1000-1200 RPMs. It runs fine once you get above that. On the highway it's fine unless I'm in 6th gear at 55 or 60 MPH and give it some gas. ...

Engine stumbling on acceleration

... it by everyone before I start tearing things apart. I've noticed the car has started stumbling on acceleration at random. Let me go into how I've gotten to this point... A while back I noticed a fairly strong unburnt fuel smell after I'd been running the ...

Hesitation/stumble When Accelerating

I posted a few weeks ago about a huge stumble when accelerating. It turned out to be the fuel pump. The fuel pump, all screens and fuel filter were replaced. When driving the other day a small stumble started. It doesnt do it all the time, but its there the majority of ...

stumble on acceleration - especially at low rpm

My 92 started to stumble on acceleration today. It is most noticeable when the car is in 5th or 6th and I do a part throttle accel at low rpms ... amps instead of 120), or bad wires? Since I am only getting the problem under acceleration and not steady-state rpm or load I think ...

Intermittent stumble while accelerating

Hey all, my 90 525i has an intermittent stumble while accelerating. Have replaced the TPS last year ... not starting, and wondering if there is anyone else who has come across this issue before and what the confirmed fix was. Willing to try anything - it stumbles so bad it throws me and my pregnant wife ...

erratic low idle and stumble on acceleration help

Just got the car back from having the a/c system charged and noticed that I seem to have inherited a lumpy idle (around 600rpm) and stumbling on acceleration. Not throwing any codes for this. I do have a couple of codes for the ...

Had headers installed last summer, now have cold stumble problem

... in the hot weather, but now that the mornings are in the 40s and 50s I get a stumble upon acceleration after the first minute or so. Once it warms up it runs ... a Chevy dealer and have the settings checked to fix the stumble, which is dangerous in traffic. Why is it when you try to do a mod it creates ...

Troubleshooting 325i misfire, rough idle, stumbling on acceleration

... a split second. At low RPM (under 3500) during acceleration it has very little power, lots of misfire and surging. At high RPM (over 3500) acceleration at full throttle is hard and smooth. At low RPM and no acceleration it runs unevenly all the time, mildly misfiring and surging. ...

Failed Smog

... new fuel lines with the oil filter, and cleaned out the throttle body. The plugs made a noticeable difference, particularly on cyl 6, which was misfiring and stumbling under acceleration. Also replaced the O2 sensor (just one on this pre-OBDII version). ...

Running Terribly

... it, I hope you guys can help. Basically, it runs terrible, stumbles, sputters, and backfires thru the intake manifold. You have to ... was replaced about 3 months ago. It would not run at all before that. It has had a weird stumble on acceleration as long as I have had the car, just hadnt had time ...

Stumbling during acceleration

... hours and restarted. When the car is started cold, there is no stumble. However, if I have driven the car awhile, stop ... 3 hours, then start it up, it will start instantly. But, when I go to accelerate, it will stumble for about 30 seconds. After that it is fine. It seems to be getting worse and I'm ...

Stumbling on acceleration

... 94 Civic D16Z6 that stumbles or bogs on acceleration. It passed smog, ... couple days it started missing a little on acceleration but got progressivly worse and now all the timeexcept ... injectors is within spec and they are all clicking while running under acceleration or not, I removed the throttle body ...

Problems with cold idle and stumble on acceleration

... Very Conservativley Dynoed 744 RWTrq 772 RWHP. When I first got it back it ran very well. Now about 3 weeks later it idles poorly, and stumbles at the onset of acceleration. Once it gets past stumble I feel it surging. Car is still fast bust throttle response is sluggish. I ...

Stumbling with acceleration

Just recently I posted on this topic but got little feedback, so I'll try again. Last week, I noticed that only under load (for example, uphill hard acceleration with the A/C on) my 99 C5 will "stumble" and almost seem to misfire. I changed the plugs and cleaned the air ...

Stumble, lean condition after work

I posted in general also.I have been desperately trying to get my car to run well, efficient. I had the engine overhauled in January and ... )and injectors (denso #22lbs.)As soon as I fired it up, it has developed a significant stumble on acceleration and when scanned it is showing a lean condition (121 ...

stumbling on acceleration and constant gas

... on the highway my car started to stumble and lose power (not stalling just not being able to accelerate or run smoothly) while in gear with acceleration and without acceleration (ive heard if yah gun it sometimes the stumbling stops but no matter what amount of gas i give it i ...

2000 323 ci Conv stumbles on acceleration....

... find an answer. I have just bought this car and find that the initial acceleration is very slow and sluggish. The engine idles and runs fine but is slow on take off. I almost have to press the accelerator all the way down to get up to speed. It has the automatic "Steptronic" transmission ...

F@&%ing Stumble.

I am now pulling my frickin hair out. My E30 decided to acquire a stumble on acceleration, and a slight lope at idle. I have replaced the intake manifold gaskets and, EVERY under hood intake/vacuum rubber hose, line, etc. Read: Valve cover breather hose, MAF-Throttle ...

2000 323 ci Conv stumbles on acceleration....

... find an answer. I have just bought this car and find that the initial acceleration is very slow and sluggish. The engine idles and runs fine but is slow on take off. I almost have to press the accelerator all the way down to get up to speed. It has the automatic "Steptronic" transmission and ...

Mr. Bill Curlee Please HELP!!!!!

... up the car I started to realize that my performance went down quite a bit. the car was stumbling, stalling, accelerator was much less responsive, started throwing P0300 ... the problem solved. I posted this link under General discussion and got many interesting responses. A lot of people ...

engine stumble

I know this sounds strange. My car has a stumble on acceleration but only when making a left turn. No answers like only make right turns please. Ran a scan tool on it and it has no codes at all. Got it fixed

Intermittent Stumbling on Acceleration

I drove through a puddle during the rain storms here in California and the car began to stumble like a wet ignition. Park it for few days to dry out the ignition. Now it acts as if it has wet ignition only sometimes and at idle or low rpm. Fuel system or Opti-Spark problems? :cry