Park Avenue :: Engine Bucking - RPMs Stay At Zero Or When Lightly Press Gas Pedal
May 31, 2014
92 PA Base, 141,000 mls
Whenever I have to drive for more than 50 - 75 miles or for one hour at a constant speed, the engine causes the car to buck and loose acceleration. When I press the gas pedal down to the floor, the rpm's stay at zero or when I lightly press the gas pedal, it would accelerate but with noticeable hesitation and difficulty. I go from maintaining speeds of 70 miles down to 40 miles. It also feels like no fuel is getting to the engine. This causes me to pull over for a few minutes, shut the engine off, and then its okay to drive for a few more miles.
I replaced the fuel filter and the MAF sensor. When I changed the MAF, I noticed that the bottom portion of the old one where the little wires are, was broken. I really thought that was the issue but when I replaced it, it started doing the same thing. What should I check or replace next?
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Here are the facts about my problem:
- 1996 Park Avenue 3.8 V-6
- 104,000 miles
Problem: When it warms up it begins to hesitate (at all speeds) when the accellerator is pushed s-l-o-w-l-y. It bucks and acts like it is kicking in and out. A typical example is rolling down a flat stretch of road at 65 mph with the cruise on. Here comes a small hill. As the vehicle begins going up the hill the cruise automatically tries to accellerate the engine to compensate for the hill. It begins to buck hard. I put my foot on the accellerator and can accellerate through the bucking and it smooths out. A few more facts.
- Problem ONLY happens when it warms up. Typicall this may be as much as 10 miles down the road.
- When it gets fully warm it will hesitate taking off from a stop light. Again, just small short hesitations. Even putting your foot into the accellerator it will not totally smooth it out.
- I have replaced all of the ignition coils, and the ignition module below the coils.
- One other very strange deal. When it was screwing up on me really bad and I was replacing the coils and the modules, I revved it up out of frustration. When I got to 4,000 rmp it began to cycle in and out. Almost like a 'whaaa whaaa whaaa whaaa whaaa and won't go beyond 4,000 rpm.
- The diagnostic guy at Autozone told me it may be the a MAP sensor, the throttle body sensor and my uncle suggested the crank sensor.
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I have a 2007 sonata limited with 54000 miles. When I lightly press on the gas pedal I hear a buzz like a relay from the center of the dash. It does not do it all the time. but It is getting very annoying. What could be wrong?
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My 98 PA ash tray doesn't stay up. I can't see what is wrong. I meet another PA owner that has the same thing. Is it in the dash, or is it in the door that flaps down? What do I need to do to fix it? What part can I get/do I need if I went to a wrecking yard?
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Car is a 2000 Corolla CE.
When going at the desired speed (say 40mph) and there is lots of coasting room, I just let go off the accelerator and the car basically coasts. The engine RPM drops from 1600-1800 down to 900-1000 and it actually can coast a long way. Sometimes, I need to go faster (if I'm initially started at a slower speed) and when I press the gas pedal slightly, the tachometer shows the engine rpm jumps from the coasting 900-1000 to 1600-1800.
Is the tachometer (add on by ScanGuage) reporting it correctly? Is this a bad form of acceleration for the engine?
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1992 Buick Park Avenue - Base
This morning my serpentine belt tore and slapped everything for a few minutes and I'll be receiving a new one tomorrow or the day after, but that's not the trouble, I just feel it's related as that is when this problem started. In the last 2 months I have replaced the Cam sensor and interrupter, timing chain and tensioner were in good shape. replaced the ICM, coils, wires, and plugs and used dielectric grease on all connectors, including the cam sensor and new crank sensor, also replaced the harmonic balancer, fuel pump, filter, pressure regulator, PCV valve, alternator, and a new pigtail is coming for the cam sensor as some of the wires had bare spots. This plug is currently taped and shoved out of the way, not plugged in, and has been for a week, so I doubt it's relevant.
This issue is : The car fires up fine, but has great difficulty idling and stalls too often to drive after a few minutes. At higher RPMs it only misses or misfires occasionally. With the serpentine belt off, the car idles much smoother. Tonight I plan to try tightening the harmonic balancer again, running the with MAP sensor unplugged, again with the exhaust O2 sensor removed.
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I have 2010 Tig, for the last 2 days, the TPMS on the MFD will stay displayed until I press down on the brake pedal, then it goes out, is this the sign on some problem?
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I have an '85 Buick Electra. The "check engine soon" light comes on when I brake, stays on for awhile after I stop braking, and then goes on. There have been a couple of times when it just comes on but the majority of the time, it's when I brake.
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I have a 2001 park avenue. Runs great but when you take your foot off the gas it feels as if the engine shakes or moves. This happens if driving or just parked. Maybe worn motor mount?
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1992 Buick Park Avenue, Base. For awhile now I've had trouble shifting into park from other gears. Sometimes, it'll flow right into park without trouble. Other times, I have to work it, to kind of baby it in. However, it simply will not shift into park from reverse. Period. If I'm in reverse and want to park, I have to go into drive, neutral, etc, and then try to move it into park.
A mechanic I know looked at the neutral safety switch and thought it could be causing the problem. We figured it wasn't in the steering column or the cable to the switch because if we disconnect the cable, you can slide that lever all day long. So I purchased a new neutral safety switch and had him install it, but the same problem is there. Actually, let me clarify: while it was in his garage, with the old switch, it would no longer go into park at all, regardless (kind of decided to just stop altogether). At least with the new switch we can baby it into park, but it is basically back to where it was last week. He mentioned it might be deeper in the transmission, but that's out of his league.
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1999 Saturn SW2. Here's a video of what's happening: [URL] ....
When the car is in park, pressing the brake pedal can make the RPMs go down, although sometimes it does nothing. Also, sometimes pressing the brake pedal kills the motor, especially if I put it in Drive or, even more so, if I put it in Reverse. Furthermore, my turning and hazard lights are now cutting in and out: sometimes they work, sometimes they don't.
As far as I can imagine, here are some options of what might be faulty:
fuel pressure regulator
coolant temperature sensor
computer
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I just purchased a 2014 Prius C and am having a problem with the Hill Start Assist/Control.
At every single stop, no matter how lightly I press the brake, when I release the brake the car stays in place for two seconds (no gas), and then starts moving.
I am assuming this is the HSC and not a normal function on the car.
If I depress the brake all the way no lights come on, no buzzer sounds, but the above described behavior still happens. I've tried the light stops on up hills, down hills, and flat ground, it all is the same.
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I have a 2004 F150 4.6L... There is a slight hissing sound under the dash on the drivers side when you lightly press the accelerator and then stops. No matter what speed you are going as soon as you apply the accelerator it hisses then stops. There is also the same hissing , only louder when the engine is cut off. It hisses for about 3 seconds. What could be causing this. It has been idling rough since the hissing started. The check engine light is on and showing P0420 and P0430 codes . The cats were replaced with resonators so I believe that is the reason for the codes.
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I dont know if this is related but my ignition switch went a few weeks ago, I got the part in the mail this week and was planning on changing it today, but a few days ago my 99 Passat v6 started bucking, kinda like it did when i needed motor mounts...but my engine is really weak and rough. I opened the hood and saw that my air filter hose was disconnected right after the MAF (or at least i think its the MAF).... I don't know how long its been sucking up dirty air. but does that sound like they are related? a friend of mine said if i can see the butterfly valve in the air hose, open it up and spray a can of carb cleaner in it, put the filter back on, start the car and let it run, then do it again with another can and it should fix it. I cant see the butterfly air valve in the hose, since the hose goes down behind the engine. Should i just spray it in anyway? or does have to be press on the gas pedal...
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The truck in my sig. makes a clicking noise when it's in the park and I press the brake pedal down. The click is coming from somewhere up high in the steering column. It doesn't make the clicking noise in any other gear only in park. Might be normal but I don't remember hearing it before?
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PA Base 149,000 miles . My car doesn't start every time. Sometimes I have to wait for a few minutes before it does, meaning, when I turn the key, it does nothing. There's no cluttering or blinking of lights or anything else that would indicate a bad starter, bad battery or electrical issue.
I've had the battery, starter and alternator checked and my mechanic says that everything is good. He thinks its the ignition key or the security system is going bad.
I purchased a new key two weeks ago and it started up every time until earlier today.
In the speedometer and odometer section, specifically the 'Park, R, N, D, 2, 1' section, there's an orange pin-like indicator that moves when you change gears. Mine is stuck between the '2 and 1', even when I place the car in park, reverse or drive. Could this be any cause to my vehicle not starting?
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I just purchased a 2001 Park Ave Base. The DIC, A/C and Radio lights will randomly dim so low that they cant be seen during the day and I have no cluster lights at all. I have checked the fuses and ensured that the dimmer is all the way up (just before clicking on the interior lights which do come on) and have found nothing.
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When I try to start my 96 Park Avenue sometimes it will not start until I back off the key just a little bit. I have replaced both ignition switches,starter and starter relay. along with new ignition key with the correct pellet resistance. The problem still persists. I really can not use a volt meter to check for voltage at starter terminals since the issue is very intermittent. I have checked and cleaned the battery terminals and the battery is ok, only one year old. I have head lights that do not dim when problem occurs. The only thing left I believe is the related wiring.
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Where I could get a front driver side window regulator I am having a problem finding one and tired of the window going up and down slow due to the window ending up on the wrong side of the rubber.
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92 PA Base
It's that time again for vehicle inspection and my horn has been blowing fuses. I had it diagnosed by the dealership and they stated the horn pad inside the steering wheel is bad. They also stated the horn pads for my model of PA has been discontinued and that I should install an aftermarket horn. If I don't have this horn installed I'll fail the inspection.
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92 PA, 134,000 miles
I'm constantly getting a 'Code 41' and now my fuel economy is almost 100 miles less than usual on a full tank. I was wondering what could be causing the decrease of fuel economy?
Also, direct me to the location of the cam sensor and the directions for replacing. I've tried the AutoZone site to locate it but it was difficult to decipher.
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