Question about 2000 Cadillac Catera

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Replaced the k134 car cuts off after engine gets hot. guessing 40 minutes of driving

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The battery in most cars is used only for starting and operating electrics when the engine is not running.

After that, the alternator provides power to operate ignition and electric systems - and of course; recharge the battery. A faulty battery shouldn't cause the car to stop running. If the alternator is not functioning properly, the car will get power from the battery instead. When this happens, the voltage will drop quickly - depending on how many electrical accessories are on, etc. You will notice headlights becoming dim at night just before the engine quits. The car would not be able to start / run until the battery is recharged.

Posted on Nov 08, 2012


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Replaced cps and k134 on 2000 catera still shuts off while driving

You need to scan the powertrain control module for fault codes before wasting any more money.

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What is a K134 relay for? Check engine light on and fuel door won't open, trunck won't open, and a/c blows hot air.

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Aug 21, 2011 | 2000 Cadillac Catera

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I have an 03 grand am 3.4 eng the car cuts off when u cut the ac on only when the eng gets hot

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2001 catera drain on voltage guage-battery good-alternator new-guage at low level,one above redline-car dies either in idle or whilr driving-everything goes dead-car won't re-start-drains battery...

Yes it very well could be. Do you have a good (I mean good) battery in the car?
As well, believe it or not, check and replace the cable going from the battery to the starter and clean thoroughly the battery terminals. I fished mine out and the middle of the cable was cooked under neath wire loom. I used a #0 welding cable, about 40" long.

Repaired the K134 relay box by resoldering all the traces, replaced battery and cable, cleaned battery terminals......2 years and still wife's 01' is running strong! Before this, the wipers ran in slow motion.

Oct 10, 2009 | 2001 Cadillac Catera

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