My 1999 Swift is acting strangely. The CEL comes on when it stumbles at a consistent RPM, which calculates to about 60mph in fifth gear. Sometimes, if the car is shut off and it is a cool morning, the CEL is OFF when the car is started, but if I get to the appropriate RPM (dunno what it is--no tach) then the car hiccups and the CEL comes on. When it hiccups I get the impression it's either fuel (starvation) or ignition related. The hiccup problem continues above the triggering RPM point and becomes constant.
Blocked fuel injector that just happens to affect the mixture above a certain RPM point...?
Have you pulled the code history?
There should be a record, even if the CEL is off.
SVreX (Forum Supporter) said:
Have you pulled the code history?
There should be a record, even if the CEL is off.
I have no diagnostic equipment and for the moment I can't afford to take it to the shop...
around here the large auto parts stores will check the codes for free
Carbon track on a plug and wire boot? Does it show up at higher load, lower engine speed?
If I were in your shoes, I'd do a thorough visual inspection first and foremost ... costs nothing but some time, and you have at least some chance of seeing something (like the aforementioned carbon tracking) that looks out or sorts. Failing finding anything there, next I'd see if your local O'AutoNapaZone will do a code pull (but NOT reset) to see what might be the next course of action.
Streetwiseguy said:
Carbon track on a plug and wire boot? Does it show up at higher load, lower engine speed?
Those motors have short little plug wires right off the coil. They're probably original and at this point will be 22 years old.
Check for bad connections under the hood on the coils and MAP sensor
In reply to stroker :
The chain parts stores will generally read codes for free.
Free is a lot cheaper than throwing parts at it.
Agree, get codes checked at parts store. But I also guess ignition issue.
stroker
UberDork
8/13/21 10:49 a.m.
The shop tells me the camshaft position sensor was bad and they're going to fix it ~$350...
