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1990 Ford Aerostar 4.0L Poor Idle Quality, Hesitation, Cuts out, Stall
Hi Techs, This is my first post. Occasionally when starting vehicle back pressure causes the vaccum hoses on the left rear of the intake plenum to pop off constantly. I have placed them back on constantly for the customer, but would like to find a fix for ...
FIX posted 2/4/2000
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| VIN | 1FMDA21X4L |
| Engine | 4.0 L / 6 cyl |
| Emissions | US Fed Emmissions |
| Symptoms | Poor Idle Quality, Hesitation, Cuts Out, Stall |
| Occurs | At Startup |
| Misc. | Passenger Van |
Trouble Codes
| 14 | Ignition Pickup pip Erratic |
| 41 | EGO not switching rich and lean |
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Vehicle Data
1990 Ford Aerostar
| VIN | 1FMDA21X4L |
| Engine | 4.0 L / 6 cyl |
| Emissions | US Fed Emmissions |
| Symptoms | Poor Idle Quality, Hesitation, Cuts Out, Stall |
| Occurs | At Startup |
| Misc. | Passenger Van |
Trouble Codes
| 14 | Ignition Pickup pip Erratic |
| 41 | EGO not switching rich and lean |
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