misfire, strong spark/no spark, and running rich, help plz
#1
N3CR0SAG3
Thread Starter
Join Date: Nov 2008
Location: Arleta, CA
Posts: 42
Likes: 0
Received 0 Likes
on
0 Posts
misfire, strong spark/no spark, and running rich, help plz
ok i know there are some other posts in the other sections but i am in desperate need of some help... i have a 1989 rx7 gxl... it has a misfire, which can be felt in the car... the rear top plug when connected has no kv signal?? and when not connected sparks frantically everywhere... and the car is also running very rich u can smell it, and it wont pass smog, the HC's are at like 733 ive replaced the cat, and o2 sensor which dropped it to that from 1763 but to pass smog it supposed to be no more than 100 so yea i need help big time... the rest of the results are in i just cant fix the hc's, plz any help would be greatly appreciated...
#2
Engine, Not Motor
iTrader: (1)
Join Date: Feb 2001
Location: London, Ontario, Canada
Posts: 29,789
Likes: 0
Received 108 Likes
on
91 Posts
It sounds like you may need to replace the trailing coil, or at least the plug wires. Or both. But the only reliable way to test spark is a spark tester, not a timing light.
Has the car had a full tuneup lately? Test the CLT and TPS according to the FSM.
Have the injectors professionally cleaned.
Has the car had a full tuneup lately? Test the CLT and TPS according to the FSM.
Have the injectors professionally cleaned.
Thread
Thread Starter
Forum
Replies
Last Post
trickster
2nd Generation Specific (1986-1992)
25
07-01-23 04:40 PM
82streetracer
Haltech Forum
11
03-11-19 05:34 PM
jetlude
Single Turbo RX-7's
4
08-18-15 04:53 PM