89 chevy beretta gt- surges at idle, backfires and hesitates
Started with bad fuel, and now the car just won't run correct. I have replaced the fuel filter, spark plugs, air filter, new gas line and adjusted the idle. The car will idle ok then surge then be ok or die. driving, you have to apply a little pressure to the gas pedal or it will hesitate and spit and sputter and even backfire at times, If you apply the gas to fast. I am wondering if the convertor is not bad on the exhaust or I don't know. Any suggestions
Re: 89 chevy beretta gt- surges at idle, backfires and...
Hi! I had the same problem with my 88 2.8 Ltr. Had dirty fuel Injectors. Put in fuel Inj. cleaner in gas tank, after a couple of days, runs like a dream,no more problems. Give it a try. Take care,Leo B. Flushme@shaw.ca
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An engine shut not backfire unless the timing is off, it has a burnt valve or an exhaust restriction. Since the crank sensor was the catalyst for the problem, I would again check it. It definately affects the timing for the fuel and spark
usually when a vehicle backfires, it is caused by the timing or a bad crank sensor. symtoms of a bad coolant sensor are--poor cold idle, stalling, ( rich mixture,retarded timing) slow idle speed, cold hesitation or stumble, and poor fuel milage. check coolant sensor first. good-luck!!
check ur timing - MARK with a scratch tool or use a yellow majiuc marker to see where the timing is now then-
loosen the distributor bolts - if you have a distributor on that model and - turn the distributor one way - then the other and see if it improves. You can slightly tighten the bolts or carry a wrench with you and drive the car and see if a new position improves the running of the car. Also - change the plugs if you haven't done so - check them to see how they look anyway. You may have a flooding condition on your hands as well but that is a whole new thing - so stick with timing and plugs -
how do you know it needs fuel lines, are they leaking? is fuel pump good?did you do fuel pressure test? did you chk. to see if filter is pluged? just because the tank leaks won't keep it from running and that can be fix with a little apoxey and a some elbo grease.