Hi guy's!, I think I'm F***** up**, because I went to this shop for an injectors clean up, and I dacided to check my 92'compression, and the guy tested but not the way I think he should, he only remove the first spark plug, and then, he attach the Compression tester, to it and told me to crank up the motor, he, told me that my compression was really low!!! , and that I need a reconstruccion of my pistons, he said it was 125 on that one, and that he don't need to check the others due to that low compression in that piston, WHAT'S THIS SH***T!!, I mean, my car it's running great!!, ot at least that is what I think, and my NGK Iridium Spark plug's look's like new, and never clean it in 6 month's, there's no smog, never, not even when start, and my car spins tires in second gear, reach's 110 miles really easy, at only 4000 RPM's, I mean you think he did it Right?, He sould remove all spark plug's, release fuel pressure, and I never depress accelerator pedal fully to keep throttle valve wide open, I just read this, I could'nt tell the guy to do this because I did'nt now before, so What do you think, if the car performe well, could this 125 compression real?

please help....

 

he posed to remove all plugs and keep throttle open, among other things....
i think the compression should read in the 190 range
with a minimun of 14psi diffrence

 

Well, thank's, I think this weekend I'm gonna buy a Compression tester and do it my self, so I will be sure, before I do anything to my motor...


240baja

 

check ur PM's

 

I don't know what the compression rate of the KA24DE is, but 125 is not bad. I have a SOHC and I have about 100PSI of preasure in each cyl (bad) but the car still runs good, so i will drive it till it dies, then swap motors.

but you take out all plugs, disconnect the ignition coil, and crank the motor a few revolutions so the tester registers a good reading. you don't need to disable the fuel system.