Monte Carlo :: 1985 / 4.3 - Erratic Idling And Poor Response
Oct 22, 2014
I swapped my old 4.3 for one out of a 86 chevy blazer. the motor ran great in the blazer but after getting everything hooked up I get erratic idling and poor response from the car. throttle body is new as well, where to start?
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I was riding my 1985 Monte Carlo SS down I-20 and the engine abruptly shut-off. The radio and all of the lights were still operating. I pulled over to the service lane and waited an hour for a tow truck. While waiting, I was constantly checking to see if the car would start. After an hour, the car started again and I went on my way. I left the car parked for about 5 hours and when I went to start it, the car started right up. After making it about a mile down the road, the engine shut-off again in the turning lane of a busy intersection. I wouldn't start again after that.
I had the car towed 30 miles to my home and left it sitting. I just changed the alternator, spark plugs, spark plug wires and battery, the car still won't start. I used all high-end parts, no cheap stuff. The battery meter is reading low, even with the new battery.
The has an aftermarket UNGO alarm system in it, which is "spidered" into the ignition system. This prohibits power to everything except the lights if the key isn't in the ignition.
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I have a 95 Monte Carlo LS it has 53,000 miles and When I go to give it gas it hesitates and the rpm goes down and then I let off the gas and do it slowly and its fine. Why this is happening all of a sudden. And my check engine light is on.
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03 Ls radio works but no sound only 5 volts at amp. Happened before but when taking amp down it started to work so I left it alone till now.
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1997 Monte Carlo, 3.1 liter, 3rd engine, I have oil in the coolant and it uses 1 qt of oil every 3,00 miles. No smoke from the exhaust. What is causing this???
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Turned the key on my 2002 MC SS, V6, 3.8L, and the Intake Manifold exploded.
Intake Manifold Exploding on a GM V6, 3.8L? It sounded like a 12ga shotgun. Fortunately no one was looking into the engine compartment at the time as they likely would have been killed given the amount of shrapnel from this explosion. Note that the explosion was powerful enough to blow off the oil cap, which is screwed on with very thick threads.
The vehicle was at my mechanics at time and in his forty years he's not seen an intake manifold explode save for those residing on Top Fuel or Funny Cars.
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I recently (about a year ago) got a 2000 Monte Carlo, great car, runs good, just one issue. Lately, when I accelerate it shakes in the front end, I let off the gas, the shaking stops, some days are worse than others. Some people have told me its the CVS, or the axle, or the motor mounts. Is this common with a 2000.
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my 2002 monte carlo sat for a few weeks and when i started it the radio doesn't work nor do i get the sound with the key being left in the ignition. fuses seem ok.
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The car takes off from a stop as it should. However, it shifts hard from 2nd to 3rd gear and that's when it stumbles and doesn't want to accelerate. It'll go if you press pedal at least halfway down. It runs great other than that. It only has 60k.
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My 2006 Monte Carlo has been making a strange 'tweet' sound. I only notice it when the car is off. It's just a single 'tweet', a minute or so will pass, then it does it again. What could this be? I'm worried it's something expensive.
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I think I've joined the ranks of the no overdrive in our Monte club. Bought the car last summer, 184K on the odometer. Previous owner was original owner. Said trans was always strong. Took the car for a spin Saturday. Previously, no OD issues. It's cold out. Pulled up to a light to get out onto main road. Right turn on red. accelerated normally, but noticed a long hold in 1st before shifting into second. Never saw it before, so was paying attention at the next light, which was right away. Accelerated again, and again a long hesitation going from 1st to second.
Next light is right away again. Light turns green, car shifts normally and I drive it about 10 miles. No issues. I paid particular attention to it going into overdrive, and it did. Arrive a junk yard. Got the part I wanted. Spent about an hour in there. Came back out and started home. Car shifted ok, but did not want to go into overdrive. Thought to myself, well, maybe it's cold. Drove some more. Nope. Never wants to go to overdrive anymore. It does shift from 1-2-3-4 ok. I've heard about the stripped spline in the output shaft, but I was wondering if there is another controller somewhere inside, or outside of the trans that could be causing this issue. When I am in OD and in 4 gear and driving at about 50 MPH and I shift it to D, I feel it shift into 3rd. I plan on getting it diagnosed, but was wondering what you all are thinking.
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Replaced intake gaskets , used the rocker arm tool to take out push rods, put it all back together now, the check engine light came on and its telling me my timing is off.
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I have a 2002 Monte Carlo SS, I have been having a problem with my turn signals working sometimes. I changed the turn signal switch that worked for a little while but its happening again.
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04 monte with oem radio and CD player.
Wife said she was driving down the road and it all just went quite. The radio lights and power is on and the cd works taken cd in and out. Only problem no sound whatsever with radio or cd.
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I have a problem on the blower motor and i think its something besides the blower motor going out it works fine most of the time but occasionally it does not come on when this occurs I noticed that the cruise light is flashing in the dash and when this is occurring you can push the on/off switch in the steering wheel and the light does nothing. Now whenever the blower motor works properly everything with the cruise functions properly no light in the dash and when turning on/off switch works properly also no noise coming from blower motor ( bearing ) sounds fine. would a bad BCM cause this or am i looking in wrong direction ???
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What to do 2001 Monte Carlo radio that won't work anymore it comes on and then goes back off and now its back off again...
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My 99 Monte Carlo LS has a problem with the ac and the heater being stuck in the defrost mode. The heater and the ac work fine but it won't switch to anything else. I heard this could be a vacuum prob. I found a hose that runs from the top of the upper intake manifold. It goes to a T then one end to the firewall and the broken end is by the battery. I don't know where the broken end goes.
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I have a 2005 monte ss supercharged and the tranny is doing some serious banging and knocking..flywheel is tight..no metal shavings in fluid or around tranny. The noise goes away then I rev the engine or driving. But if I floor it it makes a grinding sound at high rpm..
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I cant figure out if its the transmission or the control modular. we can shift to anything its just drive and over drive that doesn't register anymore. you can shift to anything else and it works just fine. I have two vehicles that are acting up and I need to get to work with at least one of them.
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I've a 2000 Chevy Monte Carlo, 3.4 L engine, 110K miles. The cooling fan is making a intermittent loud noise for some reason or another. Can the motors be purchased separately or will I have to buy the entire cooling fan assembly? Also, could this be a bearing problem? The fan doesn't appear to be rubbing against anything. The fan is running after the engine is turn off although the engine wasn't real hot.................driven under 15 miles and fan came on and stayed on after turning off engine but finally stopped running.
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About a year ago replaced the switch on drivers side. Both windows worked till about a week ago. This time the switch on drivers side and pass side no longer work either window.
Is there a fuse for the power windows? I looked on both sides of dash and couldnt find any.
Would the switch on drivers side going completely out cause the pass side one to stop working too? Didnt last time.
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