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The engine has to be at a minimum operating temperature for emissions purposes. By holding the transmission from going in the last gear (overdrive) it keeps the RPMs up and the engine heats up faster. Usually occurs when the outside temperature get below 50 degrees.

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Help-2001-18T The engine starts first time when cold but the car cant be driven-it won't accelerate until its warmed up-5 mins or so-Its as if its running lean and not rich when cold-MAF problems?

I know a few people with 2001 1.8t with the same issue. Try having the ECU updated.I had this done cause they told me there was new version to resolve this issue and other issues too.Issue was resolved after update. LOCal dealership should be able to do this.It ranges in cost my was $104 for the update. If it's an automatic transmission, I had a similar problem where it seemed like it didn't want to shift. It turned out to be a speed control sensor that was going bad. I warmed my jetta up a couple mins before it started to shift correctly. Try checking that.


1988 ford ranger starts hard and runs badly until warmed up any ideas why?

The Mass-air flow sensor is bad. It regulates the air and fuel mixture coming into the engine at the air breather box.


Why does a transmission not shift until the car is fully warm even when the fluid and the solenoids were just changed?

Torque converter or the transmission oil pump getting worn or a valve in the transmission is sticking.


What causes a whistling sound in a Camry Toyota after turning off engine?

The Camry could have a vacuum leak. If there is a vacuum leak, then there can be a whistling sound until the vacuum system is full of air.


If a car has a bad shift solenoid is the car driveable until it is able to get fixed?

If you have a bad shift solenoid, DO NOT DRIVE THE CAR!!! The shift solenoid may get you around but only for a limited time. It could actually go out at any time. Your best bet is not to drive the car at all...not even to the dealership or repair shop. Not only can this leave you stranded, but could cause an accident on the hiways or city streets. Think safety first. I would have the car towed to your mechanic rather than drive it there, if at all possible.

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