Over 1M Posts • 84K Topics • 9K Authors

thump at idle CLOSED - 6G Celicas Forums

Topic #75119 5 posts Started by RESISTANT
Recent change of plugs and wires and air intake..

Then reset fuel ecm. Now the engine bogs down and has no power, engine will rev then a clicking sound across all four points.

Unless slowly letting out the clutch, but may loose drive changing to second gear.

Also at idle a thump is felt thru the gas pedal near to every 45 seconds.

This post has been edited by RESISTANT: Aug 1, 2010 - 10:00 AM
plug wires on secure?

2000 Celica GTS 'slowest gts evar'1998 Mazda 626 FS-DE/CD4-E
After market wires and they don't sit as tight to the top of the head as the original wires. I think it is secure.

There are hexagonal nuts i could remove for a tighter fit, but I thought they are for the plug tubes to stay tight.
it sounds like a misfire, try to isolate which cylinder by lifting plug wires one at a time till you lift one and the idle does not change.

2000 Celica GTS 'slowest gts evar'1998 Mazda 626 FS-DE/CD4-E
Thanks for the response

I went thru your system check and decided to replace the rest of the system and have gone with a new distributor cap and rotor.

fuel filter and perhaps later some exhaust work.