92 explorer sport emitting soot from tailpipe

Thread view:

Enable EMail Alerts

Start New Thread

Thread rating:

umeangene - 20 Jul 2005 02:54 GMT

i installed new plugs and wires for a simple missing problem.a few days
later the check engine light came on.also,there was soot coming from
tailpipe-fuel economy went wild. I changed mafs;checked tps;and other
related sensors.i had it hook-up to code finder at parts store and was
told my computer was not putting out any codes or not working correctly.
can anyone tell me what is going on.

Reply to this Message

Jim Warman - 20 Jul 2005 05:08 GMT

Not knowing what spam... errrr, scan tool was used, I'll bet that the test
was totally incomplete. Two areas to consider, all the same, would be the
EVAP system and the fuel pressure regulator. Many things can drive a system
lean... very few can drive it rich.

> i installed new plugs and wires for a simple missing problem.a few days
> later the check engine light came on.also,there was soot coming from
> tailpipe-fuel economy went wild. I changed mafs;checked tps;and other
> related sensors.i had it hook-up to code finder at parts store and was
> told my computer was not putting out any codes or not working correctly.
> can anyone tell me what is going on.

Reply to this Message

umeangene - 22 Jul 2005 22:53 GMT

thank you,thank you,Jim Warman-the mechanic for your advice on explorer
running too rich. The Pressure regulator valve was terribly
malfunctioning- the pressure was up to 100+ lbs. the EVAP valve in tank is
not working as manual describe. BUT,the pressure came down to 30 lbs with
new pressure regulator. AGAIN - THANK YOU!!

Reply to this Message