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Old 02-16-2020, 05:55 AM   #1
adworkshop
 
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Default New from Texas and need help

I am new to the site and I need help with my D21.

I have a 1988 Nissan D21 2.4L and I have had the distributor replaced with spark plug wires. I have replaced the throttle body and injectors with a used buy less mileage one than my old one. I have replaced the fuel filter and fuel pump.

My issues are that my truck only starts when I hold down the throttle and it takes about 10 seconds of sputtering to finally get to a smooth idle. Once I get that done I can drive it fine for a little while and then it will start to randomly bog down and have much less power but it will start to go again with no problems. When I cruise down the highway I will feel for example (imagine randomly letting off the throttle and then pressing the throttle over and over a few times). That is what I feel the truck is doing while my foot is steady on the throttle cruising down the road.

Please help me diagnose my problem and solve it.

Thank you,
Alex
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Old 02-17-2020, 04:02 AM   #2
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Welcome to IN, Alex!
What part of Texas are you in?
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Old 02-17-2020, 06:27 PM   #3
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Welcome. I would have a shop mess with it. Maybe you can find some assistance here. Good luck.
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Old 02-17-2020, 07:09 PM   #4
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Welcome!
stupid question time, have you checked for any codes?
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Old 02-17-2020, 07:24 PM   #5
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stepping on gas pedal to start? how's your FIC wax element? This is for fast idle start up. surging, like Yepee said, check for codes first.
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Old 02-17-2020, 07:28 PM   #6
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then fuel pressure check (use gauge and vacuum hand pump) and fuel pressure regulator, and air leaks.
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Old 02-18-2020, 12:58 AM   #7
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Hello. I’m from the Rosenberg/Richmond area!

I have code 11 and 13. Crack angle sensor and coolant temp sensor
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Old 02-18-2020, 02:53 PM   #8
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Welcome to the site.
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Old 02-18-2020, 08:04 PM   #9
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Do you mean Camshaft sensor? I don't see a crank sensor for your model. Camshaft sensor in distributor. Do you have a FSM (factory service manual)? Go to: www.nicoclub.com/FSM/Hardbody to download one. It shows a simple ohms test for temperature sensors (pot on stove ( don't boil) you can use a cand
y/food thermometer, measure ohms hot and you can put it in freezer for a low temp. ohm read). Camshaft sensor, I believe is replace distributor. But get the book to see how to test. Mines a 93 d21 but I use a 94 book.
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Old 02-19-2020, 08:43 AM   #10
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Welcome to IN. You need to pull the seat out and check for any stored trouble codes in the ecm.
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