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Car Forum / Jeep / March 2007Here's a weird one - can you guess what it was?
I was tinkering with the Jeep and debating whither I want to tackle the harmonic balancer today (no, I don't have a pusher and HATE messing with those things, I've had nightmare experiences with them on Studebakers), it will wait (I hope) until next weekend and the right tools. Anyway, the Jeeps been acting strangely lately, sometimes it seems like its down on power, the gas pedal has felt hard, and the idle has been weird, sometimes slow, (especially at startup, even with the engine hot)and sometimes fast, like about 1200 rpm. I couldn't believe it when I found the problem, and it was an easy fix. Any ideas? Answer to be posted tomorrow or so, unless someone gets it first. Jeff DeWitt > I was tinkering with the Jeep and debating whither I want to tackle > the harmonic balancer today (no, I don't have a pusher and HATE > messing with those things, I've had nightmare experiences with them > on Studebakers), it will wait (I hope) until next weekend and the right > tools. I'd wait and use the right tools, makes it a lot easier.  SignatureDougW >> I was tinkering with the Jeep and debating whither I want to tackle >> the harmonic balancer today (no, I don't have a pusher and HATE [quoted text clipped - 3 lines] > > I'd wait and use the right tools, makes it a lot easier. I am, I've learned that lesson the hard way (the way I learn most lessons!) Jeff DeWitt Rusty or otherwise problematic throttle return spring? >I was tinkering with the Jeep and debating whither I want to tackle the >harmonic balancer today (no, I don't have a pusher and HATE messing with [quoted text clipped - 13 lines] > > Jeff DeWitt Nope, throttle return spring was fine, so was the cable. Jeff DeWitt > Rusty or otherwise problematic throttle return spring? > [quoted text clipped - 15 lines] >> >> Jeff DeWitt > Nope, throttle return spring was fine, so was the cable. >> Rusty or otherwise problematic throttle return spring? Sticking butterfly caused by crud buildup on the shaft, or a buggered up Throttle position sensor. I'd pull the throttle cable off and make sure it's moving and not having problems. Dirt and crud can cause a sticky cable. SignatureDougW Good suggestions but that wasn't it. Jeff DeWitt >> Nope, throttle return spring was fine, so was the cable. > [quoted text clipped - 6 lines] > and not having problems. Dirt and crud can cause a sticky > cable. TPS >I was tinkering with the Jeep and debating whither I want to tackle the >harmonic balancer today (no, I don't have a pusher and HATE messing with [quoted text clipped - 13 lines] > > Jeff DeWitt Nope! Jeff DeWitt > TPS > [quoted text clipped - 15 lines] >> >> Jeff DeWitt Catalytic converter > Nope! > [quoted text clipped - 19 lines] >>> >>> Jeff DeWitt Nope, I think everything fell out of it years ago! Jeff DeWit > Catalytic converter >> Nope! [quoted text clipped - 20 lines] >>>> >>>> Jeff DeWitt "gas pedal has felt hard" purely mechanical, cable or bell crank problem. God Bless America, Bill 0|||||||0 mailto:LWHughes3rd@aol.com http://www.billhughes.com/ > I was tinkering with the Jeep and debating whither I want to tackle the > harmonic balancer today (no, I don't have a pusher and HATE messing with [quoted text clipped - 13 lines] > > Jeff DeWitt SignaturePosted via a free Usenet account from http://www.teranews.com Not exactly, but getting there. Jeff DeWitt > "gas pedal has felt hard" purely mechanical, cable or bell crank > problem. [quoted text clipped - 20 lines] >> >>Jeff DeWitt > Not exactly, but getting there. > > Jeff DeWitt > >> "gas pedal has felt hard" purely mechanical, cable or bell crank >> problem. I had a situation with an old Ford van ambulance years ago where the chain from the mechanical throttle control got caught up in the throttle cable...I bet something was loose and got caught up in your throttle linkage, like a vacuum line. Jerry S. > Any ideas? Rodents hiding chestnuts in your intake? Happened to me once. I believe it, I've had all kinds of weird thing happen, but that wasn't it this time. Jeff DeWitt >>Any ideas? > > Rodents hiding chestnuts in your intake? > > Happened to me once. Been there done that, had giant avocado tree rats chase me out of the garage. God Bless America, Bill 0|||||||0 mailto:LWHughes3rd@aol.com http://www.billhughes.com/ > > Any ideas? > > Rodents hiding chestnuts in your intake? > > Happened to me once. SignaturePosted via a free Usenet account from http://www.teranews.com Your drivers side floor mat and or carpeting was caught up under the gas pedal. Snow... Nope, that was my first thought but not the problem. (And if I started this thread with something like that you guys would be pissed!) Jeff DeWitt > Your drivers side floor mat and or carpeting was caught up under the > gas pedal. > > Snow... > Nope, that was my first thought but not the problem. (And if I started > this thread with something like that you guys would be pissed!) [quoted text clipped - 7 lines] > > - Show quoted text - Some bent lever on the throttle body. > I couldn't believe it when I found the problem, and it was an easy > fix. > > Any ideas? > > Answer to be posted tomorrow or so, unless someone gets it first. What do we win? ;-) Would have bet on a broken engine mount, but seeing where this is headed, I'll put my money on a loose throttle cable connection on the engine side. Jon OK everyone, there were a lot of really good guesses (and most of them have happened to me at one time or another!)but here is what happened this time. I took the big air intake hose off the top of the throttle body to spray some cleaner on it and found a big, square chunk of foam on top of the throttle plates. It turned out to be the filter from the inside of the air box that filters air coming back from the valve cover. Obviously it was interfering with the movement of the throttle plate. A bit of cleaning and some glue and everything was OK again. Thanks for all the great suggestions though! Jeff DeWitt > I was tinkering with the Jeep and debating whither I want to tackle the > harmonic balancer today (no, I don't have a pusher and HATE messing with [quoted text clipped - 13 lines] > > Jeff DeWitt > OK everyone, there were a lot of really good guesses (and most of > them have happened to me at one time or another!)but here is what [quoted text clipped - 8 lines] > Obviously it was interfering with the movement of the throttle > plate. Well, of course I knew that*, I was waiting for you to tell us you were giving a new Grand Cherokee Limited 4x4 V8 to the first correct guess. You might as well go ahead and send me the GC anyway..... *If you believe that, I also have access to several million US dollars stashed in a Nigerian bank and you can help me bring the money to this country for a 15% cut! <GD&R> I'll have the Grand Cherokee delivered as soon as the money from Nigeria arrives <G> Jeff DeWitt >> OK everyone, there were a lot of really good guesses (and most of >> them have happened to me at one time or another!)but here is what [quoted text clipped - 16 lines] > stashed in a Nigerian bank and you can help me bring the money to this > country for a 15% cut! <GD&R> > I took the big air intake hose off the top of the throttle body to spray > some cleaner on it and found a big, square chunk of foam on top of the > throttle plates. No doubt put there by rodents. I want part credit! Just FYI, but that air filter is to filter air going 'into' the valve cover.... I would be checking out the CCV system expecting to find a blocked tube from the rear of the valve cover to the intake. This is the other half of the circuit that is supposed to provide the suction for this. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pictures.html?id=2115147590 (More Off Road album links at bottom of the view page) > OK everyone, there were a lot of really good guesses (and most of them > have happened to me at one time or another!)but here is what happened [quoted text clipped - 31 lines] >> >> Jeff DeWitt |
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