Car shuddering/failing to accelerate at certain speeds/


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Car shuddering/failing to accelerate at certain speeds/gears

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Auto Repair Home>> Automotive Repair>> Car Troubleshooting

settlement
New User

Aug 31, 2014, 6:37 AM

Post #1 of 3 (1558 views)

Car shuddering/failing to accelerate at certain speeds/gears	Sign In

Question regarding the car failing to accelerate properly that only happens just when I start driving it.

Turn on the car and go, it accelerates fine in first gear. When I switch to second gear it starts shuddering at 20mph and won't go any faster no matter how hard I push the pedal. I switchh to 3rd and its fine until I get to 30mph and then the same thing. I pull over, turn off the car, restart and it's all fine.

I drive a 2004 volkswagen polo 1.2L engine with 100,000 miles or 160k kilometres.

Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Aug 31, 2014, 7:11 AM

Post #2 of 3 (1550 views)

Re: Car shuddering/failing to accelerate at certain speeds/gears	Sign In

Don't have that vehicle here in the states, so no access to service information.

Probably would be a good idea to start off by having the engine computer scanned for trouble codes.

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Aug 31, 2014, 7:37 AM

Post #3 of 3 (1542 views)

Re: Car shuddering/failing to accelerate at certain speeds/gears	Sign In

Yes - get it scanned as DS suggested. Seems this only happens first out and cold - right? Also apparently with a load so strongly suggests fuel delivery is inadequate for a cold engine. Code may show that there's a fault in the circuit that monitors engine temp which doesn't mean the sender but the info isn't right or nothing for a code?

Look as most are placed near thermostats (can't look up this car here) and either on its own or part of one for a gauge to dash? Connections count, wires count and just a wild arse guess place to look for a problem.

You can test those sensors in a pan of water with an ohm meter or on car cold then again warmed up engine off it should read ohms for the temp it is at,

T

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