Engine help

"Supreme Chancellor and Glorious Leader SaveTheIntegras" (jegoingout) 10/11/2015 at 12:09 • Filed to: None

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Greetings Oppo’s!

I’m encountering an odd issue and haven’t found much help on TL forums, hope someone can shed some light. Every now and then my TL seems to just not have any power or responsiveness. It only happens after just starting the car. I could floor the pedal and the rev’s wont climb at all or barely if that and I could out walk my car. This odd occurance lasts a few seconds then my car acts normally. Someone said it might be carbon build up in the manifold and to clean it out with seafoam.

Any suggestions?

DoYouEvenShift > Supreme Chancellor and Glorious Leader SaveTheIntegras 10/11/2015 at 12:18

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Drive by wire? Its a common issue on those cars for the accelerator pedal position sensor to go bad. The sensor is, oddly enough, under the hood on the passenger side along the shock tower next to the firwall, theres a cable that goes to it from the gas pedal.

Thats if the car is similar to several other Acuras Ive ran into with this issue. Have you scanned for codes?

fhrblig > Supreme Chancellor and Glorious Leader SaveTheIntegras 10/11/2015 at 12:18

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TPS maybe? Though I don’t know why it would go away once warm.

Supreme Chancellor and Glorious Leader SaveTheIntegras > DoYouEvenShift 10/11/2015 at 12:21

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Yeah no CEL, no codes, nothing out of the ordinary 9/10 times i drive it

PS9 > Supreme Chancellor and Glorious Leader SaveTheIntegras 10/11/2015 at 12:42

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Common Issue. Here’s how you fix it.

Step 1: Remove Engine
Step 2: Install Twin Turbo Mugen V8
Step 3: Install Six Speed Manual

The issue should go away after this. If it persists, swap the V8 for a V10 and try again.

Supreme Chancellor and Glorious Leader SaveTheIntegras > PS9 10/11/2015 at 12:43

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Ah it all makes sense now!

bryan40oop > Supreme Chancellor and Glorious Leader SaveTheIntegras 10/11/2015 at 19:52

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Ignition coil. Check for codes. Could have a code and no light, remember that. A cheap scanner may not even recognize the codes for a intermittent coil failure. May have to have a dealer load test them.

That’s the only thing I could think of without showing a CEL.

AMGtech - now with more recalls! > Supreme Chancellor and Glorious Leader SaveTheIntegras 10/11/2015 at 20:13

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Sounds exactly like an accelerator pedal position sensor to me. They have a tendency, regardless of car brand, to act up when cold and be perfectly fine shortly thereafter. They rarely set faults which can make them difficult to diagnose. But basically the engine computer can’t see that you’re hitting the pedal and thus won’t open the throttle valve. Usually it can be monitored with a scan tool while it’s acting up and then further verified with an ohmmeter.