What people keep running into with engine trouble
Complaints tagged engine trouble, each raised by more than one person. One-off posts are not included.
6 recurring problems · 96 people · 4 forums we read
Raised more than once
Most people first.
- 59Vehicle cranks after fuel pump replacement but won't startA replacement fuel pump can deliver pressure while flooding the engine with excess gas, preventing it from catching. This leaves the vehicle cranking normally but refusing to start or run.
- 18Why does my car run terribly and stutter after a long drive?Extended driving triggers severe engine sluggishness, unusual valve train noises, and random cylinder misfire codes. These sudden performance drops cause RPM stuttering and electrical warnings that leave drivers stranded and unable to reach a diagnostic scanner.
- 11Why does my car stall when I come to a stop?Vehicles sometimes shut off or shake and drop RPMs when coming to a stop sign, red light, or while reversing early in a drive. This happens even with accessories like the AC and radio turned off, leaving drivers uncertain about mechanical issues while a persistent P0328 code returns.
- 3Why is my car losing oil with no leaks or smoke?Engines can silently consume oil internally through worn piston rings, faulty valve stem seals, or a failing PCV valve that pulls oil directly into the combustion chamber without producing visible blue smoke. This hidden consumption forces drivers to constantly top off fluid levels and risks severe engine damage if the oil drops too low between regular changes.
- 3Why does my engine stall when engaging the clutch?Bringing the clutch to its bite point causes the engine RPM to drop dramatically or die out completely. This sudden loss of power often happens after recent component replacements or a manual transmission conversion, making the vehicle unreliable when shifting into gear.
- 2Car shaking and burning smell while drivingA vehicle shaking and emitting a burning or gas smell at highway speeds points to severe mechanical or fuel system malfunctions. Ignoring these symptoms prevents safe operation and can lead to sudden engine failure or fire hazards.
Comes up alongside
Topics that keep appearing on the same problems — not topics with similar names.