What causes a misfire on a 94 S-10?
Typically if the lower intake gasket leaks vacuum, it only affects one cylinder and causes a noticeable misfire all the time. On your engine, the ECM batch fires the injectors, it can not richen the mixture for individual cylinders.
Why do I have power loss on a Detroit 60 series engine?
If the guage is really bouncy, and unstable, especially under boost, then compression could be leaking past the injector o-rings. Or air is getting in the fuel somehow. Which you eliminated the suction line by going straight to the fuel tank. Ask Your Own Medium and Heavy Trucks Question
What should I do if my torque converter is not working?
Torque converter (automatic transmission only) may not be locking at the right time, or it may be slipping. The fix: Check lock up circuit or have the torque converter replaced. This is not a DIY job. There may be a vacuum leak. The fix: Check and replace vacuum lines as required.
How often does a 94 S-10 4.3 drop rpm?
After you take it out and drive it, it’ll idle fine for a couple minutes, then will drop a couple hundred rpms every 30 seconds or so for just a count, then back to normal. Any ideas? I’m pulling my hair out.
What causes engine hesitation and stumble problems on the 90 +?
Then it developed an intermittent hesitation problem- you would be cruising at 60mph, on a 400 mile trip, ease off the gas pedal, and suddenly for 1/4 second, it was as though someone had switched off the engine and then turned it back on again. The car would then run faultlessly for the rest of the trip.
What was the cause of the stumble engine?
As with engines before the days of Electronic Fuel Injection (EFI), stumble had two basic causes- incorrect ignition and incorrect fuel/ air mixture for the required operating condition.
Why does my car stumble when I Turn on the ignition?
3 Basic Causes of Stumble As with engines before the days of Electronic Fuel Injection (EFI), stumble had two basic causes- incorrect ignition and incorrect fuel/ air mixture for the required operating condition.