Question about 1992 Buick Park Avenue
Intermittent poor acceleration loss of power. Has new plugs ignition module crank sensor fuel filter. Plug wires 1 year old. Have tried mass air flow sensor coil packs. Fuel pressure was monitored and checked okay at 40. Applied dielectric grease to coil pack and module contacts and ran great for 20 miles. Pulled battery cable to reset engine code 42 and started running poorly again. Idles poorly now and jerks and hesitates when accelerating. Side note; battery 3 years old. Frequently will be dead after sitting for a week. Charge it up and it will work fine. What next????
Posted by Anonymous on
How is your charging system? Sounds to me like it's not charging your battery, so it runs until the battery cannot support the ignition load.
Posted on Apr 24, 2017
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Posted on Jan 02, 2017
you nead to check all you vacuum lines for leaks it sounds like you have a vacuum leak or the o2 sensor is going bad on bank 1 **** i still say vacuum leak
Posted on Nov 23, 2008
If you have #1228253 ECM replace it. They will cause a lot of problems like this. Get a delco 16198264 ecm .
Posted on Jan 06, 2009
Best to do a fuel pressure test, pump might be weak and dosent show up until it gets gets warm. Best to do the test after it quits again when pump is at its hottest. If you havent done it yet chg. fuel filter too.
Posted on Mar 26, 2009
Check ecm for number 1228253. If it has this one in it you will have a cutting off problem. Gm replaced these with #16198264 The cam sensor magnet on the cam gear will deteriorate and give problems. This will require removal of the timing cover.
Posted on Apr 17, 2009
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