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So my 98 with the 4.0L was having issues where the idle would stay elevated for a few seconds before going to a normal idle. It would hang around 1500 for 2 or 3 seconds. I took off the inlet hose and shot a whole can of throttle body cleaner in it, making sure I got all the pivot points real...

Wasn't paying attention and posted this in another section.... Is there a way I can remove that post? My friend's 06 Ranger 4.0 auto wouldn't start the other day. He claimed it had done that before and it was the crankshaft position sensor, according to the shop he took it to. Had it towed back...

My friend's 06 Ranger 4.0 auto wouldn't start the other day. He claimed it had done that before and it was the crankshaft position sensor, according to the shop he took it to. Had it towed back to his place and we replaced the sensor, still no start. It would start/run if we kept spraying...

A while back my radiator hose slipped off and an overheated engine blew the head gasket. I used some band-aid in a bottle (Bar's leak #1111) to fix it. No more gasses in the coolant..... Anybody ever have any long term luck with these sealers? The truck is a manual, and rarely sees over 3K rpm...

Came out to my 98 Ranger a while back and the fob wouldn't unlock the doors. After getting some WD-40 in the door lock, I was able to use the key to open the door, but the alarm went off. Got home, tried my other 3 fobs and none worked. Can't believe all 4 batteries would have died the same day...

Had rear end noise in my 98 4X4. U joints seemed fine, but I thought there was a lot of slop in the driveshaft rotation. When jacked up it would clank around 3 or 4 times per tire revolution (3.73 gear). Any way to narrow down what may be wrong without tearing anything apart? It is also limited...

After having a shop do the rear brakes on my 98 Ranger, my parking brake started sticking. I could rev up to about 3K, dump the clutch and usually they would let go. But then the brakes would be real grabby on the first use, upon leaving the parking lot. Took it back to the shop and they asked...

I tried (about 5 times) to shift my 98 into 4X4 the other day. When I turned the switch, the 4X4 light would come on and immediately go off, or blink several times (forgot to count), then go out. The next time I switched it into 4X4 before starting it and it worked, or at least the light stayed...

Got the old P0174 code along with P0171 pending code on my 98 4.0 again. LTFT both stay around 25 with STFT at +/- 10 while at idle and at freeway speeds. MAF seems correct @ 3.9 g/s at idle. O2s seem normal. The only thing that seems to be off is the intake air temp, was at 109F when engine...

My right blinker has only been working sporadically over the last few weeks. When it first started, sometimes it would work if I put slight pressure on the turn signal stalk. Sometimes it would only work when I was turning the wheel. Finally replaced the switch/stalk, and now it self-cancels...

My friends 2006 Ranger started making a loud clanking noise the other day. He thought it was a bad lifter or something. But being a 4.0 SOHC, kinda doubt that. Anyways, when he started it, I felt the front of the driver's side valve cover, and it was like something was trying to push it's way...

Lately my passenger door is getting hard to open. The handle works and seems to unlatch the latch, but it is really hard to pull open sometimes. The driver side door works just fine. The truck has never been wrecked, so never adjusted... Does something need to be lubed? Is there a way to make...

Anyone know where to find a PCM pinout guide? Or what years overlap? I've found a 96 and 2000, but mine's a 98.

Over the last year, I've had a noticeable power loss on the '98. Trying to find the cause.... I've changed the plugs. They only had about 30K on them, and looked fine, and new ones made no difference. Also checked the wires and coil pack. It's not the cat. Plan on doing a compression check next...

After sitting for about 2 hours yesterday, the truck wouldn't start. The dash lights all worked...till I turned the key. Then nothing. No dash lights. Jump started it, noticed the alternator was charging. Did a load test on battery, it was good. Cables are tight. Today, everything worked fine...

Once again the check engine light came on in the truck. Forget what exact code was, but it said O2 sensor slow switching I think. First time EVER had 'pending codes'. One bank was lean according to that one. But, as soon as the light came on, the idle got worse! The truck would rock from side to...

Ever since my last oil change, my oil pressure gauge doesn't immediately go up on the first cold start of the day. The colder it is, the longer it takes to register, the longest time being about 7 seconds. Then started thinking...The oil pressure always just jumps right up to the half-way point...