Blacksheep Josh
Slinky+Escalator=Fun
- Joined
- July 31, 2006
- Messages
- 3,659
- Reaction score
- 15
- City, State
- Statesboro, GA
- Year, Model & Trim Level
- '01 Ford Ranger, RIP 93 X
2001 Ford Ranger Edge
V8 5.0 swapped from a 2001 Ford Explorer.
Only noteworthy modifications include an E-303 cam and 24# injectors.
Starts, revs, drives. Mostly everything is working as it should. It is throwing two codes, for the DPFE and the EGR valves, neither of which are hooked up, just have to get them deleted when it's stable enough to drive to the race shop to be dyno'd and fully tuned.
Idles pretty okay, but after 15-20 minutes worth of idling, it'll stall out. Whether it's in gear or not.
It also pops, like it's backfiring almost, when I first press on the gas. Like it wants to stall, pops a few times, and then when it finally catches back up, around 1500rpms or so, it revs beautifully in the upper rpms. When I let off, sometimes it'll pop coming back down, but with no cats in the exhaust or anything really dampening it, I've come to expect that. Had a 240 that did the same with wide aftermarket exhaust.
Mainly, it feels as it if takes a second for the engine to realize that I want to rev when I press on the accelerator pedal, wants to pop/die, and then catches up. If I keep it revved up, no issues.
I've confirmed the MAF is good, the TPS is good, the spark plugs are fresh and gapped correctly, the spark plug wires are fine, I double checked that the camshaft position sensor is correct, the crank sensor is also new, I've tried using a 91 and 93 octane tune that the Mustang shop wrote for me, and it did get a bit better with the 93 tune, it's still "odd" enough to prevent me from wanting to drive it.
I've run out of ideas. Could this all be tune related or is there something else I'm missing?
Motor is freshly rebuilt. No knocking/pinging, but this one issue just doesn't feel right.
V8 5.0 swapped from a 2001 Ford Explorer.
Only noteworthy modifications include an E-303 cam and 24# injectors.
Starts, revs, drives. Mostly everything is working as it should. It is throwing two codes, for the DPFE and the EGR valves, neither of which are hooked up, just have to get them deleted when it's stable enough to drive to the race shop to be dyno'd and fully tuned.
Idles pretty okay, but after 15-20 minutes worth of idling, it'll stall out. Whether it's in gear or not.
It also pops, like it's backfiring almost, when I first press on the gas. Like it wants to stall, pops a few times, and then when it finally catches back up, around 1500rpms or so, it revs beautifully in the upper rpms. When I let off, sometimes it'll pop coming back down, but with no cats in the exhaust or anything really dampening it, I've come to expect that. Had a 240 that did the same with wide aftermarket exhaust.
Mainly, it feels as it if takes a second for the engine to realize that I want to rev when I press on the accelerator pedal, wants to pop/die, and then catches up. If I keep it revved up, no issues.
I've confirmed the MAF is good, the TPS is good, the spark plugs are fresh and gapped correctly, the spark plug wires are fine, I double checked that the camshaft position sensor is correct, the crank sensor is also new, I've tried using a 91 and 93 octane tune that the Mustang shop wrote for me, and it did get a bit better with the 93 tune, it's still "odd" enough to prevent me from wanting to drive it.
I've run out of ideas. Could this all be tune related or is there something else I'm missing?
Motor is freshly rebuilt. No knocking/pinging, but this one issue just doesn't feel right.