Question about 1988 Chevrolet Corvette

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We have an 1988 corvette that has been sitting for two years without a battery on it. When we put a new battery on it and try to crank it nothing happens, the gauge panel light up and a symbol of a "battery" and the "service engine soon" light appears. Help!

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  • clynn_mworks Sep 29, 2010

    All connections are clean and tight, The car has been stored in a climate controlled basement for the two years. Also shouldn't you be able to hear the fuel pump run when switch is first turned on?

  • clynn_mworks Sep 29, 2010

    Is there a small internal battery inside the PCM to hold all the operating parameters when the main battery is disconnected? How do you test the PCM?

  • clynn_mworks Sep 30, 2010

    We have a 1988 Chevrolet Corvette with 30,000 miles on it. It was running great when we parked it, but it has been parked now for 2 years with the battery disconnected. We have put a new battery in it and tried to crank it. Nothing happened. The dash panel gauges light up, the blower fan works, and all the accessories work, but the starter does not engage. There is a battery symbol that lights up on the dash and check engine soon light comes on at the same time. There was no problems with the car when it was parked 2 years ago. The car is parked inside a climate controlled basement. Please help!

  • clynn_mworks Sep 30, 2010

    We have an 1988 corvette that has been sitting for two years without a battery on it. It has been stored in a climate controled basement. We have changed out all of the fluids and done all the normal stuff. When we put a new battery on it and try to crank it nothing happens, the starter does not engage, the gauge panel lights up and a symbol of a "battery" and the "service engine soon" light appears. All of the connections have checked but, what does the battery symbol being illuminated mean. Help!

  • clynn_mworks Sep 30, 2010

    We have an 1988 corvette that has been sitting for two years without a battery on it. When we put a new battery on it and try to crank it nothing happens, the gauge panel light up and a symbol of a "battery" and the "service engine soon" light appears. What causes this Battery symbol light to appear? All electrical connections have been checked and verified. The car has been in a climate controlled basement for the two years.Help!

  • clynn_mworks Oct 01, 2010

    We have an 1988 corvette that has been sitting for two years without a battery on it. When we put a new battery on it and try to crank it nothing happens, the gauge panel light up and a symbol of a "battery" and the "service engine soon" light appears. Help!

  • clynn_mworks Oct 01, 2010

    We have an 1988 corvette that has been sitting for two years without a battery on it. When we put a new battery on it and try to crank it nothing happens, the gauge panel light up and a symbol of a "battery" and the "service engine soon" light appears. Help!

  • clynn_mworks Oct 04, 2010

    We have an 1988 corvette that has been sitting for
    Problem with the 1988 Corvette
    We have an 1988 corvette that has been sitting for two years without a battery on it. When we put a new battery on it and try to crank it nothing happens, the gauge panel light up and a symbol of a "battery" and the "service engine soon" light appears. Help!

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8 Answers

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Condition:
On the 1988-89 Y Car, the engine may have intermittent no start, long crank times, may start and stall after start, or may have engine surge or rough running. No codes will be set, and no trouble can be found using normal diagnostic procedures.

Cause:
The relay used for production, P/N 14103304, may not conduct enough current to allow the Mass Air Flow (MAF) circuits to operate properly. The relays will test OK.

Correction:
Both the MAF relays (Burn-off and Burn-off control) should be replaced with relay P/N 14089936. This relay is serviced with a bracket, which is used only for 1988, and can be discarded for the 1989 model year. The location of the relays is shown on page 8A-20-9 of the 1988 and 1989 Y Car Service Manual.

Pad is currently available from GMSPO.

The O2 sensor may also be carbon-coated because of this condition. To clear the carbon, apply the parking brake, and allow the engine to warm up to normal operating temperature. Then hold the RPM at 1,800 RPM for three minutes.

Posted on Sep 30, 2010

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  • Master
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Hello. Take the battery out again and take it to any auto parts store and have them check it. Have them make sure it is fully charged. Then use some emery cloth to clean the inside of the battery clamps until they shine and reconnect the clamps tightening them down well with either an open end wrench or a properly fitting socket wrench. Make sure the clamps are on tight. Once you have done these things it should start. If it does not, check to see if you still have the battery warining light on. If you do, go back under the hood and trace the other end of the battery cables back to where they are bolted. Make sure each of those connections is not corroded and is very tight. Joe

Posted on Oct 04, 2010

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  • Chevrolet Master
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If the car has been sitting idle for a long time,you need to have a general service before the engine is started.It will be good to drain out the oil,change filter and refill.Similarly flush radiator and refill with new cooland.Replace fuel filter, check break fluids.Now check the link below for tips on starting your car.

http://www.fixya.com/cars/r5843031-tips_check_car_not_start

Posted on Sep 29, 2010

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  • Chevrolet Master
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SOUND LIKE LOOSE OR BAD BATTERY CABLES.IF THEY ARE VERY OLD.YOU ARE GETTING POOR GROUND.CABLES NEED REPLACING.

Posted on Oct 01, 2010

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Clynn, A machine does not stay new if not used. It deteriorates with time. So is your vehicle. After two years of bed rest it needs thorough servicing. May be a change of differential oil too.

Posted on Oct 01, 2010

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Hi:

My names David ,

#1) After siting 2-years all your oil has went to your Oil pan, So theres no lubricant anywhere on the Top end,Cam,Piston Rings or anywhere else.

#2) With no liubrication up on all needed moving parts you don't have, Its a Very Dry Attempt to start it.You should pull Al your Spark Plugs,and Squirt some motor oil in Each Spark Plug Hole.and let it set for at 2hours,giving it time to penetrate into your piston rings.

#3) Next Drain out as much OLD Oil and Replace Oil Filter and New Motor Oil. NOTE: after sitting a couple hours 1st Try to Turn the Engine over by Hand,By using the Front Pulleys and Belts.

#4) If it Turns over by Hand you will at least know the Engine is'nt seized-up.

#5) Since i don't know why the car sit for 2 years, I'm assuming it broke down. If it was overheated before it shut down,its possible that you may have blown head Gaskets or some other major Damage internally.

#6) Now when a engine has sit for that long, and was'nt in a secured garage . Sometimes our little Rodents like to make homes out of a sitting vehicle.And they love using Wiring and anything they can get to build there nests. I only wrote this #6 in case that was a possiblility.

#7) Besure to check your battery cables Top and Bottom ==on your starter. Cut back about a inch or so of battery cable Insulation to see if its corroided under the Insulation.If it is ,Replace both Positive and Negative Cables.

#8) If Engine WAS FREE buy hand turning.and you've completed ALL the Above, its time to try to Turn it Over with the Key. BUT your Fuel system has a lot of rubber gaskets and pumps, they could be Cracked.or Damaged. So you'll want to prime your Carberator with some fuel, Just a Little at a time,Or you'll flood it and Foul your Spark Plugs.

#9) If you gett it to Crank at Least now as your cranking it -Pull off one plug wire at a time to see if your getting a Spark.By holding it with something you can stick up into the spark Plug boot thats metal and just Hold it close enough to say your exhaust manifold to Check for Spark.

#10) if your getting Spark To the Plug Wires .And its cranking over god, and it will try to Start by Priming with Fuel.then next Change your Fuel Filter and Change your Air filter And PCV Valve.

If it will not start without priming the Carberator,Then your Carberator or and Both could need Changed with a New one..You can test your Fuel pump by taking loose the line on the outlet side to see if it is Pumping Gas.BUT besure to PULL the COIL Wire Before you Try This.

I hope this will get your car Started and Running .PLEASE let me know by Voting on the Quality of my Solutions.

Thanks From: D_HUBBS

Posted on Sep 30, 2010

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  • Master
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Hi. You may start to check with the iginition assembly first. Inorder to check in the ignition assembly is defective is turn on the headlights and try to turn the key to start position. The headlight and the dashboard light should go dim when you turn the key to start position. If headlight wont go dim then there is something wrong wih the ignition assembly.

Posted on Sep 30, 2010

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I would remove all your cables, clean them and put them back on while making sure they are tight. Check the wire to altenator and also the wire from ignition switch to the starter solenoid. Check that the starter relay and all fuses are good.

Posted on Sep 29, 2010

  • 1 more comment 
  • Nate Stansfield
    Nate Stansfield Sep 29, 2010

    When you first turn the key to the on position, you should hear the fuel pump run for about 5 seconds. If you don't hear it, check the relay as well as any and all fuses. You can test the power to the relay. If the relay is good but there is no power to the relay, then test your PCM

  • Nate Stansfield
    Nate Stansfield Sep 29, 2010

    http://autorepair.about.com/cs/faqs/l/aa...

  • Nate Stansfield
    Nate Stansfield Sep 29, 2010

    You might want to ohm out the wires going from the PCM to the
    engine/injector harness. and make sure you check all the pins on the
    harnesses, I've seen a lot of loose connections where the harness ohms
    out fine, but the pins aren't making good contact.

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