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  1. Professor Bobo

    Tick, Tick, Miss

    I have an intermittant problem with a "lifter type" sound coming from my engine. When it does 'tap', it also feels & sounds like it's missing. Then, just as fast as it started... it goes away and runs fine. Then wiyh in a few minutes it starts over again. Is it possible that it could be a...
  2. Professor Bobo

    Fuel Injector Part # Help

    I just changed my fuel injectors. I was having an intermittant problem with one of the old ones. I picked up a known good set locally. They are out of a '95 4.0. I put them in my '93 4.0. The Chrysler part numbers are: 1993 (white plastic plug area) #53030343 removed. 1995 (orange plastic plug...
  3. Professor Bobo

    Flooded with EFI?

    I have cold started my XJ and had to turn it off just there after for one reason or another. When I go to restart it acts flooded. I have to floor it to get it to start. Once started I need to pedal the accelerator to clear the fouled out plugs. Once that is done, it runs fine. But I know...
  4. Professor Bobo

    Lifter Noise?

    I get a "lifter type" noise engine cold or hot, but it's intermittant. At an idle it will be doing it, then suddenly stop, then start again. Sometimes it feels like it could be missing too. Strange thing is, when it's making the noise, I will shut off the motor and turn it rite back on and it's...
  5. Professor Bobo

    Where's the Torque?

    I have a problem with my 93 XJ, that someone here could maybe shed some light on. When driving/accelerating the the engine will not exceed 3500 to 4000 rpm! I can acclerate upto the RPM and then it just loses power. No stall, no sputter, no backfire, just flat... no power, like a rev limiter...
  6. Professor Bobo

    Oil Slinger?

    I just finished replacing the timing chain and gears and noticed that the Haynes Manual shows an "oil slinger" sits infront of the crankshaft gear. Wasn't one on there when I took it apart!!! Checked in the oil pan too!!! Do they all have these slingers? The gasket that the timiing chain cover...
  7. Professor Bobo

    '95 dist. in a '94

    On a 2.5L, will the distributor from a '95 work on a '94? TIA
  8. Professor Bobo

    Something broke

    Working on a '94 2.5L. Engine cranks... but the distributor rotor doesn't move. :O Broke timing chain? Maybe. Never seen one actually snap. Broken dist drive gear or shaft? Broken key in the crank and sprocket? I'm going to yank the dist tomorrow, but it doesn't look good. Also, the new...
  9. Professor Bobo

    Cps?

    A few months ago one of my XJ's ('94 2.5L) just quit while on the road. It hasn't started since. It's getting Fuel, but no spark. Coil is good. I've had CPS's go bad in the past but eventually they would start back up. Just want to check before I go rolling around under it.... Gotta kill all...
  10. Professor Bobo

    Noisy Question

    My 93 4.0 has 250K miles on it and some piston slap... so I know what that sounds like. The problem I'm having is a "loud" lifter/pushrod/rocker arm type sound. I'm questioning whether this is the problem because it seems I can "shut it off" when it happens. Example: It will be tapping away...
  11. Professor Bobo

    Wiper Motor Woes

    So far I have purchased 2 wiper assemblies and the both have the wrong plug! I have a '93 with intermittant wipers. But the plugs are different. The one I need is a kind of hard plastic oval shaped. What I get is a soft rubber round one. I know I can swap pig tails, but why all the confusion...
  12. Professor Bobo

    Wiper Motor Interchangeable?

    I have a '93XJ and the front wiper motor (no park) and linkage (loose and sloppy) are shot. I know someone parting out a '90XJ. We both have intermittant wipers etc... Are the assemblies the same? (plug too?) Mine has hit the trim around the windshield so many times it wore a hole in it! So...
  13. Professor Bobo

    Unbeatable Amsoil + Free Stuff!

    If you're seriously thinking of changing over to synthetic oils, consider Amsoil Lubricants. Send me your mailing address and I'll give you the lowdown on some great products - PLUS I'll send the first 20 people a free gift, just for asking! I wasn't always an Amsoil Dealer. I was just a...
  14. Professor Bobo

    Easy, I hope.

    I have a hummmmm coming from the back end of my XJ. I'm pretty sure it's coming from the diff. It doesn't make the sound when accellerating or decellerating (foot off gas). Just when cruising at "0 g's" .Like when using cruise control, and your up to speed. Prob a bearing, but which? Carrier...
  15. Professor Bobo

    Can it be welded?

    I don't know how to weld very well, but have an aquaintance who does. He does it professionally. MIG, TIG, ARC etc. I have not asked him about repairing this yet, so I'm asking you people first. I know that my XJ is uni-body constructed, but when I refer to the "frame" y'all know what I'm...
  16. Professor Bobo

    Tps?

    Hi all, If my TPS is bad, will it cause the transmission to upshift late? There is no problem with the idle or driveability, runs well. I have adjusted the trans linkage cable but there is no difference. It seems to run great except that it will up shift late unless I back off the gas then it...
  17. Professor Bobo

    Larger Oil Filter

    I have a '93 and someone told me that I could put a larger oil filter on it. I don't want to start on which brand is best so I'll just use the common Fram numbers. Mine calls for the PH 16, but the PH 8A will drop right in! So I did it and it does (used the K&N filter). Filter costs the same...
  18. Professor Bobo

    13mm Hex Key Wrench???

    I'm going to be repairing my oil filter adaptor and need a 13mm hex key to do it. Haven't found anyone who goes beyond 10mm! I've been to Craftsman, Harbor Freight, Advanced Auto, AutoZone, NAPA, Tractor Supply, and a John Deer Dealer/Repair shop. plus a few privately owned hardware stores...
  19. Professor Bobo

    Leaks, leaks, leaks

    OK, I have an oil leak. I replaced the valve cover gasket (it was leaking there, I could see it). Cleaned the engine, and drove it. Parked in the drive and it still leaked. I look under there and my oil filter is wet with oil ( I've used a few different filters and it still leaks. and my starter...
  20. Professor Bobo

    Leaks, leaks, leaks

    OK, I have an oil leak. I replaced the valve cover gasket (it was leaking there, I could see it). Cleaned the engine, and drove it. Parked in the drive and it still leaked. I look under there and my oil filter is wet with oil ( I've used a few different filters and it still leaks. and my starter...
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