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#1069119 - 01/07/21 03:49 PM 1988 Monte Carlo SS  
Joined: Jan 2021
Posts: 4
David7357 Offline
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David7357  Offline
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Joined: Jan 2021
Posts: 4
Lawrenceburg, IN
Runs great for about one hour .Then it quits and won't start sounds and act like it out of time. Then it sits for a few hours and then it starts and runs great. Only has 41,000 miles on it. Need any help.

#1069120 - 01/07/21 03:54 PM Re: 1988 Monte Carlo SS [Re: David7357]  
Joined: Feb 2020
Posts: 187
88ssBrent Online content
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88ssBrent  Online Content
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Joined: Feb 2020
Posts: 187
Friendsville,Tn
Everything original? 305/2004r? Any trouble codes or dash lights on?

Last edited by 88ssBrent; 01/07/21 04:14 PM.
#1069121 - 01/07/21 04:41 PM Re: 1988 Monte Carlo SS [Re: David7357]  
Joined: Jan 2021
Posts: 4
David7357 Offline
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David7357  Offline
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Joined: Jan 2021
Posts: 4
Lawrenceburg, IN
Everything original no codes. 305

Last edited by David7357; 01/07/21 04:42 PM. Reason: Left out part
#1069122 - 01/07/21 05:06 PM Re: 1988 Monte Carlo SS [Re: David7357]  
Joined: Feb 2020
Posts: 187
88ssBrent Online content
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88ssBrent  Online Content
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Joined: Feb 2020
Posts: 187
Friendsville,Tn
Originally Posted by David7357
Everything original no codes. 305


I don't want to tell you wrong so I will wait for others to come in. It might take a little while, forum doesn't get much traffic but when it does lots of people that are knowledgeable. If it was a code I might be able to help. Going off what you said above first thing I would look at is the coil but might be a complete dead end.

#1069123 - 01/07/21 05:18 PM Re: 1988 Monte Carlo SS [Re: David7357]  
Joined: Jan 2021
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David7357 Offline
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David7357  Offline
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Joined: Jan 2021
Posts: 4
Lawrenceburg, IN
Thanks I appreciate it.

#1069126 - 01/07/21 07:28 PM Re: 1988 Monte Carlo SS [Re: David7357]  
Joined: Feb 2016
Posts: 56
zelm86ss Online content
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zelm86ss  Online Content
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Joined: Feb 2016
Posts: 56
Bremen,In
Does the car have spark and fuel when it doesn't start? If no spark,I would guess the pickup in the distributor. My 86 has a module and pickup,but the 88 system is a little different due to having a external coil. I've had some other cars ( not Monte Carlos) that had the same symptom as you and it was the stator (pickup) in the distributor. If it was my 86,I'd start with a module and stator,but first you should do some diag. On a car with a external coil (a two wire coil),a test light can be used to verify a good stator. One side should be hot and the other should pulse during crank. If the pulsing side is erratic,i'd guess a bad stator (pickup). Being a 1988 I think those had a external coil and not a internal one like my car.

#1069128 - 01/08/21 12:10 AM Re: 1988 Monte Carlo SS [Re: David7357]  
Joined: Jan 2021
Posts: 4
David7357 Offline
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David7357  Offline
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Joined: Jan 2021
Posts: 4
Lawrenceburg, IN
Thanks we found out the the distributor had a crack and the rotor button was bad. Thanks guys really appreciated the help.

#1069129 - 01/08/21 02:05 AM Re: 1988 Monte Carlo SS [Re: David7357]  
Joined: Dec 1999
Posts: 11,809
86ttop Offline
20+ Year
86ttop  Offline
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Joined: Dec 1999
Posts: 11,809
Brooksville, Fl
Welcome to the BEST site on the net. Has the car ever had a complete tune up, plugs, wires, cap and rotor, along with the gas filter in the carb?? Now would be a good time to take care of the rest of the work. Good luck!!

Last edited by 86ttop; 01/08/21 02:06 AM.

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