94 lt1 - Team Camaro Tech
Troubleshooting Diagnosing problems done here.

 
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post #1 of 3 (permalink) Old Apr 11th, 01, 05:36 PM Thread Starter
 
Join Date: Apr 2001
Location: roanoke ,in ,allen
Posts: 2
Angry

hello!! I have a 94 z-28 with lt1 and 6 speed , when the car gets to operating temp and i stop ,when i take off it will hesitate and then ping until the rpm gets over 2800.
also when i'm going down the highway at crusing speed then i go to pass if i dont get the rpms over 2800 it will ping really bad.if i get the rpms over 2800 the car run great. I bought a aldl scanner(auto x ray obd I)hopping this would help ,well there where no codes stored in current or in the history file.I also have a chitons and a haynes repair manual.I went threw both looking for an answer and could not find the answer ,i checked all the sencers(map,maf,o2,tps,egr,iat,iac) and thay checked out ok. also checked fuel psi it was good. if i dont plug in the map sencer the car rans great. so i replace the (map)but know luck
please help !! i dont know what to do.

thank you Ed!!

[This message has been edited by kbtool (edited 04-16-2001).]
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post #2 of 3 (permalink) Old Apr 13th, 01, 06:18 PM
 
Join Date: Jul 2000
Location: vacaville
Posts: 25
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i have a 94, rs 207 v6! it is equiped with a knock sensor. i think yours aswell. try replacing that, there pretty cheap

mark
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post #3 of 3 (permalink) Old Apr 16th, 01, 03:24 PM Thread Starter
 
Join Date: Apr 2001
Location: roanoke ,in ,allen
Posts: 2
Question

<BLOCKQUOTE>quote:</font><HR>Originally posted by kbtool:
hello!! I have a 94 z-28 with lt1 and 6 speed , when the car gets to operating temp and i stop ,when i take off it will hesitate and then ping until the rpm gets over 2800.
also when i'm going down the highway at crusing speed then i go to pass if i dont get the rpms over 2800 it will ping really bad.if i get the rpms over 2800 the car run great. I bought a aldl scanner(auto x ray obd I)hopping this would help ,well there where no codes stored in current or in the history file.I also have a chitons and a haynes repair manual.I went threw both looking for an answer and could not find the answer ,i checked all the sencers(map,maf,o2,tps,egr,iat,iac) and thay checked out ok. also checked fuel psi it was good. if i dont plug in the map sencer the car rans great. so i replace the (map)but know luck
please help !! i dont know what to do.

thank you Ed!!

[This message has been edited by kbtool (edited 04-16-2001).]
<HR></BLOCKQUOTE>

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