is the check engine light on, keyon and goes out running
yes, its on running ! then scan it. do not skip this...
no need to guess at all, there are simple cheap test, for all failures
forget idle, idle is the lasting that will work with a ratty running engine.
Bogs, not misfire, (shakes for misfire) is lean burning.
if feels like your are pulling a 5000 trailer of lead.
a long hard smooth bog, not transitory.
im sure you did a tune up and sparks are not 15 years old. huh?
possible causes ( you never said what engine in car.? there are many)
1: low fuel pressure.
2: MAF is dirty (got a maf) or if a MAP EFI , the map vacuum cant reach the mAP, for clogging or it leaks reasons, (hoses?)
3: if MAF system , any air leaks will cause bogs.
called unmetered air, and air cant burn, the ECU must see all air
to add fuel correctly. (the 02 sensor corrects for small intake leaks)
id bet your 02 is not even on online at all. do to gross fueling issues.
this is the basics, good engine,good spark good fueling.
we do simple tests to find this.
if you want to test, say so and engine spec, and we can.
what engine, this fact tell me what EFI system you have.
and i can not fix cars with unknown EFI.
a short list. more world wide,
why not say country.?
2.0L
F20B5 I4 147 hp (110 kW)
2.3L
F23A1 I4 150 hp (112 kW)
2.3L
F23A4 I4 148 hp (110 kW)
2.3L
F23A5 I4 135 hp (101 kW)
3.0L
J30A1 V6 200 hp (150 kW)
the car is sold all over the world, where are you?
only 2 posts now in 6000 post told this BIG secret.... funny that.....
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