The stuttering is only when I'm driving and pressing on the gas pedal.
Injectors may be leaking as this could clear up after running a while and burning off excess fuel.
SOURCE: the battery keeps draining and
This may be over-simplified, but to find the battery drain: Remove the positive battery cable from the battery and insert an ammeter in series beween battery and cable. If something is draining the battery, it will show on the ammeter. Remove fuses one-by-one until you see a substantial reduction in the ammeter reading. That will pinpoint the circuit that is draining the battery. Then troubleshoot until you find the faulty component, wiring harness, etc. Remember there will always be a little bit of drain because of ECM, BCM, radio memory and stuff like that.
SOURCE: stuttering and hesitation in my idle and when i begin to accelera
Just in Case you Doubt My Solution, It was Straight from the Chilton Repair Manual for your Truck.
SOURCE: 2000 s-10 stutters/bogs down when accelerating right after startu
Check ignition timing, timing chain, fuel filter and fuel pressure after you change it. ( if the filter doesn't solve it)
SOURCE: caprice stutters at certain speeds and slightly
You may have an intermittent slow response on the rear O2 sensor, I'm not sure if you have a pre and post O2 sensor, off the top of my head, but I would get the system hooked up to a monitor to see if there is any pending codes (big change over from 1994 to 1995). Is it an OBDII system? As far as the stumbling, I have a 91 silverado with a 5.7L engine and it's had a very light stumble at idle since new, day one, and every sensor is on target, idle, 1000 rpm, 2000 rpms, 3000 rpms, and still has a slight stumble with all sensors within range. To this day it still has a slight stumble but it still runs great, Good luck, Gary
Testimonial: "Thanks. I replaced the pre sensor, but still have to replace the post. I will try that and see what happens. Appreciate the help. "
SOURCE: 2002 Chevy Trailblazer, service engine soon
Hi.
The check engine light, driving problems and smell was in consequence of the misfires. If now the car drives fine, the vacuum leak could have been the cause of the original troubles. As far as I understood now the problem is only when idle.
Ensure that you have replaced the air filter , also double check vacuum and check/clean the air intake duct and sensors (IAT, MAP- see here for removal). Those are factors that can affect and cause misfire during idle. The IAC valve can also cause similar troubles and must be checked.
All the part listed above may cause lean or rich mixture. The problem is not necessarily detected by the O2 sensors in the exhaust and may result in no lean or rich code being stored in ECM.
If mixture and air intake are not responsible, and if the problem does not only occurr when idle, check the high voltage wires from coils to spark plugs (particularly if a code on a particular cylinder comes back). Check timing, valves, EGR and fuel pressure/fuel pump. Try doing an injector cleaning and check injectors (both spray and voltage).
267 views
Usually answered in minutes!
×