walker517

ok i have a 89 iroc z. 359 tpi i figured out it had a bad coolant temp sensor and if fixed why it ran horrible after it got warm. now it is just low on power. first off i can unplug #6 &#8 injector and engine runs the same. all other injectors change idle. i checkd voltage to the injectors and all are really close. i checked resistance of the injectors and the 2 bad one were around 16 if i remember right just like all the rest except one, which was #7 cylinder was like 11. so from checking that it seems like the injectors 6&8 would be good? any help would be appreciated.

hdis2002

iTrader: (1)

Just because the injector ohm ok, doesn't mean they are working. However, you might want to make sure you are getting spark to 6 and 8 before you look at replacing injectors.

EagleMark

Running with a bad CTS sensor makes the ECM think it's -40c outside and add ckoke like crazy! That said I would pull spark plugs and inspect, probably sotted up and replace.

Any error codes? CEL on?

Get a cable and do some data logging to see what engine is doing.

HTH!

Damon23

What cable and software do you need? I need to do some troubleshooting on my 92 305.

EagleMark

TunerPro RT is by far best and most versitle software for OBDI. Please pay the $30 so he keeps making cool stuff!
http://tunerpro.net/

Moates has an excellent cable and all the other cool stuff you can use.
http://www.moates.net/aldu1-and-cabl....html?cPath=64