| PM | Quote | Reply | Full Topic |
Hey look ~ they ~ bounce!
Joined: Sun Oct 22nd, 2017
Location: Evansville, USA
Posts: 2736
Status:
Offline
Reputation: 
Reputation Points: $user_rep
mhoward wrote:
I have two scan tools. Both of them stated there were NO codes (stored, pending or otherwise). How can a truck run so badly and not throw a code? The CEL/MIL isn't on.
Full disclosure: 3 weeks ago this coming Saturday, I did give the engine bay a bath. Spritzed it down with Dawn & water mix, let it soak a few minutes, then used a long-bristle brush to agitate the dirt off. Hit it with the pressure washer to rinse (never too close with the nozzle). I have done this many times over the course of the 8.5 years I've owned it. But like I said, that was almost 3 weeks ago. Could it be related?
There is a thread here somewhere where I put an engine in my first 2000 4.0. The head gasket actually blew and started running badly immediately after I pressure washed the engine. Didn't really make the connection till now but that is the exact moment when it started.
I dunno, Jim. Mine was running the best it ever did after the plugs, wires and O2 sensors (along with other filters). Then it started acting up again. I replaced the coil pack and it's back to smooth.
____________________
-- Michael
2003 Ranger Edge / Extended Cab / Flareside / 3.0L FLEX / 5r44e Auto / 2WD / 8.8 LS 4:10 / Sonic Blue Pearl
So many mods... so little time...