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4.0 SOHC / 4.0 OHV Tech

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Rating Thread / Thread Starter	Last Post	Replies	Views
Sticky: If you have an 01+ 4.0 with lean codes (PO171 and/or PO174) look here! ( 1 2 3) 01_ranger_4x4	08-27-2011 04:50 PM by Munki	43	7,618

timing chain rattle (yes another thred) RedBomber	Yesterday 11:54 PM by Patmeweenie	3	28
Jet Performance Module Installation Location? spudkilla224	Yesterday 07:31 PM by spudkilla224	6	29
Hi guys. Need help please. RangerSaint	Yesterday 05:36 PM by RangerSaint	3	52
PO171 and PO174 both throwing check engine light on 96 ranger 4.0 ( 1 2) Caseywoods5	Yesterday 04:45 PM by Caseywoods5	15	496
Coolant Leak '98 4.0L V6 lafemeic	Yesterday 10:37 AM by Boduke01Suder	4	68
Electric supercharge on 4.0l Garos	Yesterday 07:48 AM by Garos	0	55
Identify 4.0 motor RAST	02-08-2012 06:58 PM by RAST	3	82
Superchips tuner info Wes K	02-08-2012 02:40 PM by badassjake	4	151
Idles rough when warm MRKoby	02-08-2012 11:11 AM by MRKoby	7	84
WTF is this piece I'm blowing coolant out of? ( 1 2) FireRanger	02-08-2012 10:57 AM by MAC21XL	24	389
4.0 Timing chain Guides 00 FlareSide Ranger	02-08-2012 09:17 AM by Redneckstone	6	110
New, to me, Ranger 4.0 bad MPG ( 1 2 3) Detectorist	02-07-2012 09:16 PM by FJR1300A	40	2,177
Accessing the timing cover: what do/don't you HAVE to remove? JGiddy	02-07-2012 01:54 PM by JGiddy	6	123
Trouble code P1507 idle air control under speed error pitguy	02-07-2012 01:36 PM by pitguy	5	43
2000 Ranger vacuum hose nellis003	02-07-2012 11:44 AM by nellis003	0	32
help please! 08whitepowerranger	02-06-2012 05:30 PM by 08whitepowerranger	2	61
Well, it's that time! (hmm what to replace before the warranty expires) rangerover	02-06-2012 05:08 PM by rangerover	0	65
Wrong oil filter kw358	02-06-2012 09:43 AM by lafemeic	6	100
4.0 misfire 94explorer	02-05-2012 09:13 PM by 94explorer	2	54
4.0 wont re-start after short warmup Rayman	02-05-2012 07:50 PM by Corey11Sport4x4	2	40
High Idle, Shifting Late TravelinCoastie	02-05-2012 04:05 PM by TravelinCoastie	1	80
4.0 ohv low fuel pressure justintylerq	02-05-2012 11:42 AM by rwenzing	3	70
Wrong Code? Brian550336	02-05-2012 11:36 AM by Brian550336	0	30
4 leaking freeze plugs is that common? crazymays77	02-05-2012 11:02 AM by crazymays77	1	49
Throttle Body Spacer Fact Or Fiction? spudkilla224	02-05-2012 09:55 AM by spudkilla224	2	88
Engine is ticking 02dangerrangerjosh	02-05-2012 06:52 AM by 02dangerrangerjosh	6	153
Misfire/Low power kd0ihs	02-05-2012 05:01 AM by kd0ihs	7	96
2.9 to 4.0 swap in 89 ranger 2wd. 69 GTX	02-04-2012 06:50 PM by 69 GTX	0	30
4.0 exhaust Scott C	02-04-2012 05:09 PM by Scott C	4	96
Location of oil pressure switch CLToppingSr	02-04-2012 02:43 PM by SCrangerdude	2	45