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Any ideas what the problem could be?

10K views 0 replies 1 participant last post by  EricW1980 
#1 ·
Car has 112K miles on it. Bought it 6 months ago. One month ago it started chugging/having power surges while trying to maintain a steady speed at lower speeds. Like when I just give it a little gas it does it. If i floor it it doesn't..however when I do floor it I hear and feel a Trump. It has power surges with cruse on also but just bairly noticeable at 65. The headlights also have power surges. They flicker and get bright for a few seconds. So does the instrument panel sometimes.

Also when I start it...2 out of every 10 starts it'll idol fine but if I try to rev it it up wont rev past like 2500 rpm without the motor boggling down and light backfires.

One of our local mechanics said he thought tranny was going out. But how can the tranny make it not rev up when it isn't moving.

We have put new plugs in it, worked on the throttle body and something with the gas peddle. Flushed tranny. But it still does it.

He suggest a tranny scope to get visual proof if the tranny is going out. If it looks fine...then he thinks it could be computer. He thinks the power surges/chugging is the tranny slipping. But like I said if the car isn't moving and it won't idol up and backfires how could that be tranny? Or hell it could have two issues.

So discouraging. I Was so excited to have a 300 and had $3000 from taxes to find me some nice wheels and tires. Spent half that trying to fix this issue and after all those new parts it still dose it.
 
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