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Why would a 1991 Acura Integra LS start in the morning but when you leave it in the heat all day it will only crank but won't start?
Wiki User
∙ 15y ago
Check the main relay on the car. It may have bad solder joints. I have a 1990 Honda Civic Wagon that did the same thing. Replaced Fuel injectors, ECU and did tons of testing and checking before I found out about the main relay being the cuplrit. Cost me $36 for a new relay and about 30 minutes to check and re-solder the joints on it before installing. I still have my old relay for backup after I repaired it. The bad solder joints in the main relay will cause the fuel pump to shut down and the ECU will signal a fuel problem because the bad joints in the main relay are not sending the signal. Happen during the heat of the day or just after making a short run and shutting the car off. You have to let things cool off and then reset the ecu to get it started, at least I did. After fixing the main relay, haven't missed a start since, unless you count bad batteries and alternators.
Wiki User
∙ 15y ago
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If 1993 Acura Integra GS b18a1 has a loud tapping and kind of a two stroke sound while trying to start unsuccessfully resulting in spark plugs 3 and 4 being bent WHAT DOES THAT LEAVE ME WITH DOC?
that means you are eff you see kayed
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