Question about 1999 Chevrolet Astro
Why wont my van go forward when i stop at a stop sign but will go in reverse?IT will go after i push gas pedal to the floor but it is really slow going to get up to speed
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Posted on Jan 02, 2017
id replace your plugs and air filter...if this doesn work replace plug leads too
Posted on Aug 29, 2008
You are right to be concerned about this behavior since it can definitely increase your stopping distance.
Either your cable has eaten its way into the inner tubing and is hanging up, or the mechanics at the throttlebody needs some lubrication.
With no engine running, have someone inside to press on the accelerator while you watch for movement of the linkage under the hood. Once you have located it, operate it by hand to see how it feels. If the linkage does not return to the stops provided, then use a heavy-duty penetrating oil to soak the moving parts. If it still hangs, then the cable needs replacement.
With the engine running, tranny in Park and the parking brake on, after you have lubed the visible linkage, have some one inside press on the gas and watch the linkage to see if it now returns to the mechanical stop. Carefully move it by hand to see if it is truly at the limits of its travel where it should be at an idle.
Posted on Oct 17, 2008
I had somewhat the same problem on my 03 chev venture van. It was the tranny slipping or rather not engaging. When you try to pull away from a stopped position the vehicle start to accelerate momentarily then hesitate then **** forward with a loud thunk. Turned out to be a solenoid or sensor in the tranny. The dealership at first refused to do anything saying it was normal and to allow more time after putting it in gear. After I proved to them that it was not normal ( by taking them on a test drive in my vehicle then in one of thiers) they agreed to fix it. Worked great for 20-30000K then came back. Now have 260,000k so it is more nuisance than a problem at least at this point.
Check your fluids and possibly look into using a transmission additive designed to stop slippage
Posted on Dec 21, 2008
SOURCE: Anti-Locks Growling
There was a recall on the ABS system on your truck. The problem was the ABS sensor on the front wheels were getting dirty and corroded causing a faults signal to the ABS module. The fix was to inspect the ABS sensor and clean them with brake parts cleaner and re-gap the sensor to the speed ring on the hub. The ABS sensor and speed ring is on the inside of the front wheel hub, spry brake parts cleaner and re-gap the sensor to the speed ring with paper folded 5 times. I feeler gauge will work but put a paper between the sensor and gauge cause the sensor is magnetic and the gauge will stick. Look for damages to the lead wire to the abs, but i think that's all fine since you did not mentioned any abs light on. You may be even lucky with just a good spray of the brake parts cleaner. Good luck and keep me posted.
Posted on Nov 03, 2009
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There are a few things that could be ailing your astro van, here are some directions you can take for diagnosis:
1. Check that your fuel injectors aren't clogged or worn out. You can do this by running a fuel injection cleaner through your engine when you have less then half a tank of gas in it, or you can take it to a service store and have them do it. It generally costs between 20 and 80 dollars.
2. It could be that your fuel pump is not working properly. This also can be helped by some fuel injection cleaning, however, if this is the problem you will need to replace your fuel pump. You can check to make sure it is at least operational by getting under the car while a friend turns the key to the "on" position, but not starting the vehicle. You should hear either a "woosh" or a "click, click" type noise that lets you know your fuel pump is working.
3. It could be time for a tune up. This is generally an inexpensive way to take car of your car and should be done once a year. Get new spark plugs, new spark plug wires, a new serpentine belt, a new O2 Sensor and possibly a new distributor.
You can tell if it is a "timing" or "spark" issue when you rev up the engine. If you give it gas really quickly and then let it go you might hear a "popping" noise sort of like popcorn, which will tell you that your engine is not firing properly.
Try these out and then ask again if these do not solve your dilema.
Posted on Nov 11, 2009
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